On estimation of vaccine efficacy using validation samples with selection bias
On estimation of vaccine efficacy using validation samples with selection bias
Using validation sets for outcomes can greatly improve the estimation of vaccine efficacy (VE) in the field (Halloran and Longini, 2001; Halloran and others, 2003). Most statistical methods for using validation sets rely on the assumption that outcomes on those with no cultures are missing at random (MAR). However, often …