immortal time bias的相關文章
Negative Controls: A Tool for Detecting Confounding and Bias in Observational Studies

Negative Controls: A Tool for Detecting Confounding and Bias in Observational Studies

瀏覽:1336
日期:2025-05-31
Epidemiologists seek to distinguish the causal effect of exposure A on outcome Y from associations due to other mechanisms (Figure 1). Non-causal associations may be classified into three categories (in addition to chance) 1: mismeasurement (eg, recall bi...看更多