An official website of the United States government
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.
Only Patients with Sequence Number 00,01, known Age and known Month of Diagnosis are included in the estimator database.
To estimate the cost of acquiring SEER-CAHPS Data, visit the Data Cost Calculator.