LIFETEST ATRISK= results on ODS Graphics survival plot are in error for multiple (tied) censored times with no events


In SAS® 9.2 TS1M0, the results on the ODS Graphics survival plot from the ATRISK= option are incorrect when there are multiple (tied) censored observations at a particular time where no event observations occur.

In this situation, the number at risk is incorrectly reported at the tied censored times where no event observations occur.

There is no circumvention for this problem.