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1. Survival values can be defined by Date or by Length of time in the study. Select the radio button for the category that defines your survival data.
2. In the drop-down lists, select the appropriate survival value definitions for each field listed. You might want to refer to the column headers in the data file itself. Dates covered by the definitions are already in the data set. You cannot enter specific dates.

   Field Type	Description
   Survival Definition Type	Select whether the survival time is defined by dates or length of time subject was in the study.
   Name	Enter a unique name that adequately describes the survival values you are defining here. Example: Survival from Enrollment Date or Survival from Treatment Start. The name you enter displays later when you are selecting survivals to create the K-M plot.
   Survival Length Units	Select the appropriate units for this data.
   Survival Start Date	Select the column header for this data.
   Death Date	Select the column header for this data.
   Last Followup Date	Select the column header for this data.

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