Immortal time bias and reverse causality in retrospective analysis: Comment on "effect of cumulative bortezomib dose on survival in multiple myeloma patients receiving bortezomib-melphalan-prednisone in the phase III VISTA study".
Division of Oncology and Hematology, Department of Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
Pei-Ying
PY
Hsieh
School of Medicine, National Yang-Ming University, Taipei, Taiwan.|Institute of Public Health, National Yang-Ming University, Taipei, Taiwan.|Division of Hematology and Oncology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
Chia-Jen
CJ
Liu
Division of Oncology and Hematology, Department of Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan.|School of Medicine, National Yang-Ming University, Taipei, Taiwan.|Institute of Public Health, National Yang-Ming University, Taipei, Taiwan.
Chung-Jen
CJ
Teng
D000971:Antineoplastic Combined Chemotherapy Protocols / Q000008:administration & dosage* / Q000627:therapeutic use*; D001897:Boronic Acids / Q000008:administration & dosage* / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D009101:Multiple Myeloma / Q000188:drug therapy* / Q000401:mortality*; D011719:Pyrazines / Q000008:administration & dosage* / Q000627:therapeutic use*
D001897:Boronic Acids; D011719:Pyrazines