Ento Key

Purpose To evaluate anterior segment complication rates in eyes treated for prethreshold versus threshold retinopathy of prematurity (ROP) and look for potential risk factors. Design Retrospective, observational case series study….

History Cohort studies often are viewed as the gold standard in observational epidemiology, and the first large cohort study was conducted as early as 1913. Wilhelm Weinberg reported in the…

A clear understanding of linear regression analysis is of fundamental importance to quantitative research. In this editorial, I briefly discuss some of the key concepts; a comprehensive treatment is available…