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National Cancer Data Base - Data Dictionary PUF 2014

PUF Vital Status

PUF Data Item Name: 
NAACCR Item #: 
Allowable values: 
0, 1
Records the vital status of the patient as of the date entered in Date of Last Contact or Death (NAACCR Item #1750), which is the status of the patient at the end of Elapsed Months - Date of Diagnosis to Date of Last Contact or Death in the PUF.
Analytic Note: 

Vital Status is blank for cases diagnosed in 2014.  See "Getting Started" for an explanation about calculating survival for cases diagnosed recently.
Vital Status is the only item for which SEER and CoC agreed to retain different codes to mean the same thing.  For historic reasons, SEER uses code 4 for deceased patients while CoC uses 0.  All 4s in the CoC database were converted to 0 for the PUF file.  There is no Vital Status code for "unknown".  Therefore, cases for which the code was not valid are transmitted as blank.  They may have been submitted as blanks, 9s, or any other non-defined value.  They can be analyzed as "unknown" or omitted from analysis, depending on the needs of the study.



0 Dead
1 Alive
blank Not Available