Understanding Cancer Statistics
Learn definitions of statistical terms, how cancer statistics are used, and how population-based cancer statistics are calculated.
Key Information
- Glossary of Statistical Terms
Defines common statistical terms, NCI terminology, and the five key statistical measures of cancer: incidence, mortality, survival, prevalence, and lifetime risk. NCI monitors these cancer statistics to assess progress and to identify population subgroups and geographic areas in which cancer control efforts need to be concentrated. - Understanding Prognosis and Cancer Statistics: Questions and Answers
A fact sheet about the importance of predicting disease outcome and recovery, and how statistics are used to estimate prognosis.

