SEER-CAHPS Sample Size Estimator

The SEER-CAHPS Sample Size Estimator allows you to quickly estimate research sample sizes by entering your desired search criteria below. Click Add Variable to begin.

Note: this is intended to give an estimate only. Actual sample size may change depending on the final cohort selection criteria. Cell sizes less than 11 (eleven) are suppressed. Additionally, sample sizes are randomly adjusted within a +/- 10 threshold per query.

To estimate the cost of acquiring SEER-CAHPS Data, visit the Data Cost Calculator.