ADMISSION RATE BIAS:

Another name for Berkson’s Bias (synonym)¹: A bias that arises when the variables, whose association is under study, affect the selection of participants into a study. Or in other words, the distortion of the association between exposure and disease in hospital-based studies, if hospitalization rates differ for different exposure/disease groups¹. Also see: Berkson’s Bias, Berksonian Bias, Indirect Berkson’s Bias, Popularity Bias, and Centripetal Bias.

Reference:

1. Sackett DL. Bias in analytic research. J Chronic Dis. 1979;32 (1-2):51-63. (Link to Reference)