[R] cumulative incidence plot vs survival plot

rgeskus statistics at inter.nl.net
Mon Jul 4 15:42:20 CEST 2011

Note that most of the nonparametric and semi-parametric competing risks
analyses can be performed within the survival package. This includes
nonparametric estimation of cause-specific cumulative incidence curves and
the log-rank type test. It suffices to create a weighted data set as
explained in Geskus, Biometrics 67, p. 39-49, 2011. 

Ronald Geskus
Academic Medical Center
Amsterdam, the Netherlands

>> Hi, I am wondering if anyone can explain to me if cumulative incidence
>> (CI) is ....

> The cumulative incidence curve and the KM are not the same, when there
> are multiple outcomes.  See the "etype" argument to survfit, which is
> used to create CI curves (?survfit.formula).  For testing differences
> between CI curves use the cmprsk library from Gray; it can also draw
> curves by the survfit routine has a lot more flexibility.

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