1. the number of cases of a disease ending in death divided by the number of cases of the disease; usually expressed as a percentage or as the number of deaths per 1000 cases;
WordNet (r) 3.0 (2006):
case-fatality proportion
n 1: the number of cases of a disease ending in death divided by
the number of cases of the disease; usually expressed as a
percentage or as the number of deaths per 1000 cases