The secret of immortal time bias in epidemiologic studies.
Shariff
Salimah Z
SZ
Division of Nephrology, University of Western Ontario, London, Ontario, Canada.
Cuerden
Meaghan S
MS
Jain
Arsh K
AK
Garg
Amit X
AX
D015982:Bias; D006801:Humans; D053208:Kaplan-Meier Estimate; D007676:Kidney Failure, Chronic / Q000401:mortality*; D013997:Time Factors