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Use of Cox regression with treatment status as a time‐dependent covariate to re‐analyze survival benefit excludes immortal time bias effect in patients with glioblastoma who received prolonged adjuvant treatment with valganciclovir
Author(s) -
SöderbergNaucler Cecilia,
Peredo Inti,
Rahbar Afsar,
Hansson Fredrik,
Nordlund Anders,
Stragliotto Giuseppe
Publication year - 2014
Publication title -
international journal of cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.475
H-Index - 234
eISSN - 1097-0215
pISSN - 0020-7136
DOI - 10.1002/ijc.28663
Subject(s) - covariate , proportional hazards model , glioblastoma , medicine , oncology , adjuvant , regression , survival analysis , regression analysis , logistic regression , statistics , cancer research , mathematics