NCIt related terms : AGEDTH; Age At Date of Death;
NCIt definition : The age at which death occurred.;
Alternative definition : CDISC: The age at which death occurred. (NCI); OORO: Patient age at death. This is calculated to at least 4 decimal places with respect
to Date Of Birth, so that differences in time between events can be resolved to the
day. Calculation to 7 decimal places would enable resolving to the second. Age is
not a PHI restricted element for patients younger than 89.;