Cox proportional hazards models are often used to compare survival outcomes in observational studies, but when the hazards are non-proportional, using such a model is problematic. Here, we discuss ...

Setodji CM, McCaffrey DF, Burgette LF, Almirall D, Griffin BA. The right tool for the job: Choosing between covariate balancing and generalized boosted model propensity scores. Epidemiology. 2017.

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