Use this feature to specify a variable whose values indicate whether the values in the Survival variable are censored.A censor variable must be selected when performing analysis of a survival trait . This variable indicates which observations have been censored (often, this is an indicator of whether a patient is living at the end of a study).All of the variables in the specified input data set are displayed in the Available Variables field.
Click to add the highlighted variable(s) to the Censor Variable field, as shown below: