Cohort studies were found to be frequently biased by missing disease information due to death

In epidemiologic cohort studies with missing disease information due to death (MDID), conventional analyses right-censoring death cases at the last observation or at death may yield significant bias in relative risk and hazard ratio estimates. The aim of this study was to investigate susceptibility to this bias and assess its potential direction and magnitude.

Source: Journal of Clinical Epidemiology - September 22, 2018 Category: Epidemiology Authors: Nadine Binder, Anette Bl ümle, James Balmford, Edith Motschall, Patrick Oeller, Martin Schumacher Tags: Original Article Source Type: research