Total Number of SEER-CAHPS Respondents

Number of cancer and non-cancer survey respondents by SEER region and SEER-CAHPS plan type (1997–2019)

This figure shows the number of CAHPS survey respondents in SEER-CAHPS based on cancer diagnosis in a SEER region and by Medicare plan type.

  • Total Sample
    1,942,764

    • Cancer Cases
      562,511

        • FFS
          237,401

            • Survey Before Cancer DX
              111,350

            • Survey After Cancer DX
              126,051

        • MA
          325,110

            • Survey Before Cancer DX
              180,867

            • Survey After Cancer DX
              144,243

    • Non-Cancer Cases Residing in a SEER Region
      1,380,253

        • FFS
          544,190

        • MA
          836,063

Note: some respondents have taken more than one survey, at different years. This figure reflects the first survey taken.

Last Updated: 27 Nov, 2023