Age recode with <1 year olds
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 , 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.