Table 1 Definitions and Identification Methods of Four Groups for Assessing Completeness and Accuracy of Mortality Data
From: Accuracy and completeness of mortality data in the Department of Veterans Affairs
Groups | Definition and Identification Method |
|---|---|
A. True Positives | All deceased individuals who were identified as deceased in a source. A valid death date was found in both the source and the NDI. |
B. False Positives | All living individuals who were identified as deceased in a source. They have a death date in the source but not in the NDI. |
C. False Negatives | All deceased individuals who were identified as alive in a source. They have a death date in the NDI but not in the source. |
D. True Negatives | All living individuals who were identified as living in a source. They do not have a death date in the NDI nor in the source. |