vital statistic

noun

noun

A single important number derived from public health data or personal measurements.

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 […]1995, Françoise Sagan, Richard Seaver, A Fleeting Sorrow: A Novel, page 11:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.