vital statistic

English

Noun

vital statistic (plural vital statistics)

1. A single important number derived from public health data or personal measurements.
   • 1995, Françoise Sagan, Richard Seaver, A Fleeting Sorrow: A Novel, page 11:

     Except for the fact that the "matter" of which he was now a vital statistic was simply unbearable to him. His death would come as a shock to him […]