Age recode with <1 year olds

Source of standard: North American Association of Central Cancer Registriesexternal icon

Source item name: Derived from Age at Diagnosis

Source item number: 230external icon

This variable indicates age range at diagnosis by grouping patient into one of 19 categories (0, 1–4, 5–9, …, 75–79, 80–84, ≥85 years). Derived from the NAACCR variable Age at Diagnosis [230], which is the age (in years) of the patient at diagnosis.

Considerations for Use

Different primary tumors for the same patient may have different values. Records for persons with multiple primary cancers cannot be identified in this database.