NAACCR XML: Tumor.survFlagPresumedAlive
Description
This flag is generated by the program that creates Surv-Mos Presumed Alive [1787] and describes how complete the date information is that was used to calculate survival months. This item is one of seven survival variables designed to facilitate a common approach to survival analysis by NAACCR registries.
Rationale
The flag will enable analysts to easily select a subset of cases.
Codes
| 0 | Complete dates are available and there are 0 days of survival (i.e., presumed alive date last contact = date of diagnosis) |
| 1 | Complete dates are available and there are more than 0 days of survival (i.e., presumed alive date last contact > date diagnosis) |
| 2 | Incomplete dates are available and there could be zero days of follow-up (i.e., known components are equal, e.g., 2006 and 20061002) |
| 3 | Incomplete dates are available and there cannot be zero days of follow-up (i.e., any difference in known date components, e.g., 200602 and 200603) |
| 8 | Not calculated because a Death Certificate Only or Autopsy Only case |
| 9 | Unknown |
| Blank | Not coded |
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