topic Estimate cumulative inc and CI with weight statement in SAS Programming

Estimate cumulative inc and CI with weight statement

lillymaginta1 — Sun, 23 Nov 2025 13:57:59 GMT

Hi everyone,

I am trying to estimate cumulative inc and 95% CI but want to incorporate weight in the code, is this possible? I do not have competing events in the model

proc lifetest data=s outcif=cif_overall; 
    time time * outcome3(0) / failcode=1; 
    strata drug;
	weight ipcw_weight
run;

Re: Estimate cumulative inc and CI with weight statement

quickbluefish — Mon, 24 Nov 2025 01:40:52 GMT

Guessing you are doing a competing risks analysis (with inverse propensity of censoring)? I would recommend you try using PROC PHREG for this. That will also allow you to plot the cumulative incidence (and presumably add your weight statement). Have a look at this:

https://documentation.sas.com/doc/en/pgmsascdc/v_069/statug/statug_phreg_examples15.htm