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Issues in Implementing Regression Calibration Analyses.
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2023
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Lillian Boe
Pamela A. Shaw
Douglas Midthune
Paul Gustafson
Victor Kipnis
Eunyoung Park
Daniela SotresâAlvarez
Laurence S. Freedman
On Behalf Of The Measurement Error And Misclassification Topic Group Tg Of The Stratos Initiative
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Reverse causation biases weighted cumulative exposure model estimates, but can be investigated in sensitivity analyses
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2023
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Nirit Agay
Rachel Dankner
Havi Murad
Liraz Olmer
Laurence S. Freedman
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The Impact of Reverse Causation on Estimates from a Cumulative Weighted Exposure Model and a Method of Adjustment
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2023
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Nirit Agay
Rachel Dankner
Havi Murad
Liraz Olmer
Laurence S. Freedman
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PDF
Chat
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Similarity of Protection Conferred by Previous SARS-CoV-2 Infection and by BNT162b2 Vaccine: A 3-Month Nationwide Experience From Israel
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2022
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Yair Goldberg
Micha Mandel
Yonatan Woodbridge
Ronen Fluss
Ilya Novikov
Rami Yaari
Arnona Ziv
Laurence S. Freedman
Amit Huppert
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Issues in Implementing Regression Calibration Analyses
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2022
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Lillian Boe
Pamela A. Shaw
Douglas Midthune
Paul Gustafson
Victor Kipnis
EunâYoung Park
Daniela SotresâAlvarez
Laurence S. Freedman
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Protection and waning of natural and hybrid COVID-19 immunity
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2021
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Yair Goldberg
Micha Mandel
Yinon M. Bar-On
Omri Bodenheimer
Laurence S. Freedman
Nachman Ash
Sharon AlroyâPreis
Amit Huppert
Ron Milo
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PDF
Chat
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Waning Immunity after the BNT162b2 Vaccine in Israel
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2021
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Yair Goldberg
Micha Mandel
Yinon M. Bar-On
Omri Bodenheimer
Laurence S. Freedman
Eric J. Haas
Ron Milo
Sharon AlroyâPreis
Nachman Ash
Amit Huppert
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PDF
Chat
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Protection Across Age Groups of BNT162b2 Vaccine Booster against Covid-19
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2021
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Yinon M. Bar-On
Yair Goldberg
Micha Mandel
Omri Bodenheimer
Laurence S. Freedman
Sharon AlroyâPreis
Nachman Ash
Amit Huppert
Ron Milo
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PDF
Chat
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BNT162b2 vaccine booster dose protection: A nationwide study from Israel
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2021
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Yinon M. Bar-On
Yair Goldberg
Micha Mandel
Omri Bodenheimer
Laurence S. Freedman
Nir Kalkstein
Barak Mizrahi
Sharon AlroyâPreis
Nachman Ash
Ron Milo
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Protection of previous SARS-CoV-2 infection is similar to that of BNT162b2 vaccine protection: A three-month nationwide experience from Israel
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2021
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Yair Goldberg
Micha Mandel
Yonatan Woodbridge
Ronen Fluss
Ilya Novikov
Rami Yaari
Arnona Ziv
Laurence S. Freedman
Amit Huppert
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BNT162b2 Vaccine-Induced Immune Responses and Dynamics Vary Among Age Groups, Sex and Co-Morbidities: A Longitudinal Prospective Cohort Study
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2021
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Yaniv Lustig
Einav Sapir
Gili RegevâYochay
Carmit Cohen
Ronen Fluss
Liraz Olmer
Victoria Indenbaum
Michal Mandelboim
Ram Doolman
Sharon Amit
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STRATOS guidance document on measurement error and misclassification of variables in observational epidemiology: Part 2âMore complex methods of adjustment and advanced topics
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2020
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Pamela A. Shaw
Paul Gustafson
Raymond J. Carroll
Veronika Deffner
Kevin W. Dodd
Ruth H. Keogh
Victor Kipnis
Janet A. Tooze
Michael P. Wallace
Helmut KĂźchenhoff
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Imputing missing time-dependent covariate values for the discrete time Cox model
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2019
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Havi Murad
Rachel Dankner
A. Berlin
Liraz Olmer
Laurence S. Freedman
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Berkson error in epidemiology (TG4)
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2019
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Laurence S. Freedman
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PDF
Chat
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Epidemiologic analyses with error-prone exposures: review of current practice and recommendations
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2018
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Pamela A. Shaw
Veronika Deffner
Ruth H. Keogh
Janet A. Tooze
Kevin W. Dodd
Helmut KĂźchenhoff
Victor Kipnis
Laurence S. Freedman
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PDF
Chat
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Moment reconstruction and momentâadjusted imputation when exposure is generated by a complex, nonlinear random effects modeling process
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2016
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Cornelis J. Potgieter
Rubin Wei
Victor Kipnis
Laurence S. Freedman
Raymond J. Carroll
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PDF
Chat
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Measurement error models with interactions
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2015
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Douglas Midthune
Raymond J. Carroll
Laurence S. Freedman
Victor Kipnis
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PDF
Chat
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Correction â A statistical model for measurement error that incorporates variation over time in the target measure, with application to nutritional epidemiology
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2015
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Laurence S. Freedman
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Estimation of infection prevalence and sensitivity in a stratified two-stage sampling design employing highly specific diagnostic tests when there is no gold standard
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2015
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Ezer Miller
Amit Huppert
Ilya Novikov
Alon Warburg
Asrat Hailu
Ibrahim Abbasi
Laurence S. Freedman
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<scp>P</scp> ocock and <scp>S</scp> imon Method
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2014
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Laurence S. Freedman
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PDF
Chat
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Regression calibration with more surrogates than mismeasured variables
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2012
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Victor Kipnis
Douglas Midthune
Laurence S. Freedman
Raymond J. Carroll
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PDF
Chat
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A new multivariate measurement error model with zero-inflated dietary data, and its application to dietary assessment
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2011
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Saijuan Zhang
Raymond J. Carroll
Douglas Midthune
Patricia M. Guenther
Susan M. KrebsâSmith
Victor Kipnis
Kevin W. Dodd
Dennis W. Buckman
Janet A. Tooze
Laurence S. Freedman
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PDF
Chat
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A mixedâeffects model approach for estimating the distribution of usual intake of nutrients: The NCI method
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2010
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Janet A. Tooze
Victor Kipnis
Dennis W. Buckman
Raymond J. Carroll
Laurence S. Freedman
Patricia M. Guenther
Susan M. KrebsâSmith
Amy F. Subar
Kevin W. Dodd
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PDF
Chat
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A modified approach to estimating sample size for simple logistic regression with one continuous covariate
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2009
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Ilya Novikov
Naama Fund
Laurence S. Freedman
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An analysis of the controversy over classical one-sided tests
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2008
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Laurence S. Freedman
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PDF
Chat
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A comparison of regression calibration, moment reconstruction and imputation for adjusting for covariate measurement error in regression
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2008
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Laurence S. Freedman
Douglas Midthune
Raymond J. Carroll
Victor Kipnis
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Quantitative science methods for biomarker validation in chemoprevention trials
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2007
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Laurence S. Freedman
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Estimating and testing interactions in linear regression models when explanatory variables are subject to classical measurement error
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2007
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Havi Murad
Laurence S. Freedman
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Linear Measurement Error Models with Restricted Sampling
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2006
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Malka Gorfine
Nurit Lipshtat
Laurence S. Freedman
Ross L. Prentice
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<scp>P</scp> ocock and <scp>S</scp> imon Method
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2005
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Laurence S. Freedman
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Modification of the Computational Procedure in Parker and Bregman's Method of Calculating Sample Size from Matched CaseâControl Studies with a Dichotomous Exposure
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2005
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Ilya Novikov
TszâKwong Man
Laurence S. Freedman
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Report of the CoâEditors â 2004
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2005
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B. R. Cullis
Laurence S. Freedman
Mike Kenward
Xihong Lin
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Commentary on Assessing surrogates as trial endpoints using mixed models by E. L. Korn, P. S. Albert and L. M. McShane
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2005
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Laurence S. Freedman
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A New Method for Dealing with Measurement Error in Explanatory Variables of Regression Models
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2004
|
Laurence S. Freedman
Vitaly Fainberg
Victor Kipnis
Douglas Midthune
Raymond J. Carroll
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PDF
Chat
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Erratum to: A simple method for analyzing data from a randomized trial with a missing binary outcome
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2004
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Stuart G. Baker
Laurence S. Freedman
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Methodology of Randomized Trials
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2004
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Laurence S. Freedman
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The analysis of the influence of birth order and other factors in multiple birth data
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2003
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Ori Davidov
Havi Murad
Ayala Lusky
Eric S. Shinwell
Brian Reichman
Laurence S. Freedman
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Bayesian Reporting of Clinical Trials
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2003
|
Simon Weeden
Laurence S. Freedman
Mahesh Parmar
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Bayesian Reporting of Clinical Trials
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2003
|
Laurence S. Freedman
Simon Weeden
Mahesh Parmar
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+
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Small Samples and Ordered Logistic Regression
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2003
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Havi Murad
Anat Fleischman
Siegal Sadetzki
Orna Geyer
Laurence S. Freedman
|
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PDF
Chat
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A simple method for analyzing data from a randomized trial with a missing binary outcome
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2003
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Stuart G. Baker
Laurence S. Freedman
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+
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Erratum to âConfidence intervals and statistical power of the âValidationâ ratio for surrogate or intermediate endpointsâ
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2002
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Laurence S. Freedman
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Confidence intervals and statistical power of the âValidationâ ratio for surrogate or intermediate endpoints
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2001
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Laurence S. Freedman
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Bayesian monitoring of a phase 2 chemoprevention trial in high-risk cohorts for prostate cancer
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2001
|
Heidi L. Weiss
Donald A. Urban
William Grizzle
Kathleen A. Cronin
Laurence S. Freedman
Gary J. Kelloff
Ronald Lieberman
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Covariate Measurement Error Adjustment for Matched CaseâControl Studies
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2001
|
Lisa M. McShane
Douglas N. Midthune
Joanne F. Dorgan
Laurence S. Freedman
Raymond J. Carroll
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The next 10 years of biostatistics
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2000
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Laurence S. Freedman
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+
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What is quantitative significance and is it useful?
|
1999
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Laurence S. Freedman
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Discussion
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1999
|
Kathleen A. Cronin
Laurence S. Freedman
R Lieberman
Heidi L. Weiss
Samuel W. Beenken
Gary J. Kelloff
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PDF
Chat
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Design Aspects of Calibration Studies in Nutrition, with Analysis of Missing Data in Linear Measurement Error Models
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1997
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Raymond J. Carroll
Laurence S. Freedman
David Pee
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Bayesian Design and Analysis of Two x Two Factorial Clinical Trials
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1997
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Richard Simon
Laurence S. Freedman
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Approaches to monitoring the results of long-term disease prevention trials: Examples from the Women's Health Initiative
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1996
|
Laurence S. Freedman
Garnet L. Anderson
Victor Kipnis
Ross L. Prentice
C.Y. Wang
Jacques E. Rossouw
Janet Wittes
David L. DeMets
|
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PDF
Chat
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Bayesian statistical methods
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1996
|
Laurence S. Freedman
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Interplay between Design and Analysis for Behavioral Intervention Trials with Community as the Unit of Randomization
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1995
|
Sylvan B. Green
Donald K. Corle
Mitchell H. Gail
Steven D. Mark
David Pee
Laurence S. Freedman
Barry I. Graubard
William R. Lynn
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+
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Identifying Which Sets of Parameters are Simultaneously Estimable in an Incomplete Factorial Design
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1995
|
David P. Byar
Laurence S. Freedman
Agnes M. Herzberg
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+
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A unified method for monitoring and analysing controlled trials
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1994
|
Jason Grossman
Mahesh Parmar
David J. Spiegelhalter
Laurence S. Freedman
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+
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The what, why and how of bayesian clinical trials monitoring
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1994
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Laurence S. Freedman
David J. Spiegelhalter
Mahesh Parmar
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+
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Early stopping of prevention trials when multiple outcomes are of interest: A discussion
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1994
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Sylvan B. Green
Laurence S. Freedman
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+
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The chart trials: Bayesian design and monitoring in practice
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1994
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Mahesh Parmar
David J. Spiegelhalter
Laurence S. Freedman
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+
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Bayesian Approaches to Randomized Trials
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1994
|
David J. Spiegelhalter
Laurence S. Freedman
Mahesh Parmar
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+
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Preface
|
1993
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
David Machin
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+
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Applying Bayesian ideas in drug development and clinical trials
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1993
|
David J. Spiegelhalter
Laurence S. Freedman
Mahesh Parmar
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+
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The design of observer agreement studies with binary assessments
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1993
|
Laurence S. Freedman
Mahesh Parmar
Stuart G. Baker
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+
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The Impact of Stopping Rules on Heterogeneity of Results in Overviews of Clinical Trials
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1992
|
Michael D. Hughes
Laurence S. Freedman
Stuart J. Pocock
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+
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Application of bayesian statistics to decision making during a clinical trial
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1992
|
Laurence S. Freedman
David J. Spiegelhalter
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+
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Statistical validation of intermediate endpoints for chronic diseases
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1992
|
Laurence S. Freedman
Barry I. Graubard
Arthur Schatzkin
|
+
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Editorial
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1992
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
David Machin
|
+
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THE AUTHORS REPLY
|
1991
|
Laurence S. Freedman
Arthur Schatzkin
Yohanan Wax
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+
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Using Replicate Observations in Observer Agreement Studies with Binary Assessments
|
1991
|
Stuart G. Baker
Laurence S. Freedman
Mahesh Parmar
|
+
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Preface
|
1990
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
David Machin
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+
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Assessing the gain in efficiency due to matching in a community intervention study
|
1990
|
Laurence S. Freedman
S. B. Green
David P. Byar
|
+
PDF
Chat
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Statistical Designs for Investigating Several Interventions in the Same Study: Methods for Cancer Prevention Trials
|
1990
|
Laurence S. Freedman
S. B. Green
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+
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The effect of partial noncompliance on the power of a clinical trial
|
1990
|
Laurence S. Freedman
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+
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Issues in the design of drug trials for AIDS
|
1990
|
Sylvan B. Green
Susan S. Ellenberg
Dianne M. Finkelstein
Alan B. Forsythe
Laurence S. Freedman
Katherine Freeman
Myrto Lefkopoulou
David Schoenfeld
Rebecca P. Smith
|
+
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Comparison of Bayesian with group sequential methods for monitoring clinical trials
|
1989
|
Laurence S. Freedman
David J. Spiegelhalter
|
+
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Return to a Note on Screening Regression Equations
|
1989
|
Laurence S. Freedman
David Pee
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+
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Using permutation tests and bootstrap confidence limits to analyze repeated events data from clinical trials
|
1989
|
Laurence S. Freedman
Richard Sylvester
David P. Byar
|
+
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Preface
|
1989
|
Theodore Colton
Laurence S. Freedman
Tony G. Johnson
David MaChin
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+
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Improving the quality of data in randomized clinical trials: The compact computer package. Compact steering committee
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1988
|
Clair Chilvers
Peter Fayers
Laurence S. Freedman
R. Mark Greenwood
David Machin
New Palmer
Andrew Westlake
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+
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Preface
|
1988
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
David Machin
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+
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A Predictive Approach to Selecting the Size of a Clinical Trial, Based on Subjective Clinical Opinion
|
1988
|
David J. Spiegelhalter
Laurence S. Freedman
|
+
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Editorial
|
1988
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Ted Colton
Laurence S. Freedman
Tony G. Johnson
|
+
PDF
Chat
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State of the art in comparative cancer clinical trials
|
1987
|
Colin B. Begg
Stuart J. Pocock
Laurence S. Freedman
Marvin Zelen
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+
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preface
|
1987
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
|
+
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Preface
|
1987
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
|
+
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Preface
|
1986
|
Ted Colton
Laurence S. Freedman
Tony G. Johnson
|
+
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Monitoring clinical trials: Conditional or predictive power?
|
1986
|
David J. Spiegelhalter
Laurence S. Freedman
Patrick R. Blackburn
|
+
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A predictive approach to selecting the size of a clinical trial, based on subjective clinical opinion
|
1986
|
David J. Spiegelhalter
Laurence S. Freedman
|
+
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Tables of the number of patients required in clinical trials using the logrank test
|
1986
|
Laurence S. Freedman
|
+
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Stopping Rules for Clinical Trials Incorporating Clinical Opinion
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1984
|
Laurence S. Freedman
D. Lowe
Petra Macaskill
|
+
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Stopping rules for clinical trials
|
1983
|
Laurence S. Freedman
D. Lowe
Petra Macaskill
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+
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The Assessment of the Subjective Opinion and its Use in Relation to Stopping Rules for Clinical Trials
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1983
|
Laurence S. Freedman
David J. Spiegelhalter
|
+
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Tables of the number of patients required in clinical trials using the logrank test
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1982
|
Laurence S. Freedman
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+
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Watson's <i>U</i><sub>N</sub><sup>2</sup> statistic for a discrete distribution
|
1981
|
Laurence S. Freedman
|
+
PDF
Chat
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The use of a Kolmogorov--Smirnov type statistic in testing hypotheses about seasonal variation.
|
1979
|
Laurence S. Freedman
|
+
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Some Comments on the Logrank Test Statistic in Clinical Trial Applications
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1979
|
J. L. Haybittle
Laurence S. Freedman
|
+
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Theuse ofa Kolmogorov-Smirnov typestatistic in testing hypotheses aboutseasonal variation
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1979
|
Laurence S. Freedman
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+
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Allocation of patients to treatment groups in a controlled clinical study
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1978
|
Susan J. White
Laurence S. Freedman
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+
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On the Use of Pocock and Simon's Method for Balancing Treatment Numbers over Prognostic Factors in the Controlled Clinical Trial
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1976
|
Laurence S. Freedman
Susan J. White
|