Claims-Based Frailty Index for Identifying Moderate-to-Severe Dementia
Author Information
Author(s): Park Chan Mi, Sison Stephanie Denise, McCarthy Ellen, Shi Sandra, Kim Dae Hyun
Primary Institution: Hebrew SeniorLife
Hypothesis
Can a claims-based frailty index effectively identify moderate-to-severe dementia among Medicare beneficiaries?
Conclusion
The claims-based frailty index is a robust tool for identifying moderate-to-severe dementia in Medicare claims data.
Supporting Evidence
- The CFI cut-point of 0.280 showed strong performance with a C-statistic of 0.78.
- The maximum sensitivity achieved was 76.9% and specificity was 62.8% in the NHATS cohort.
- Validation in the MCBS cohort showed modest sensitivity of 0.49 and high specificity of 0.80.
Takeaway
Researchers created a new way to tell how severe someone's dementia is using Medicare data, which can help doctors and caregivers provide better care.
Methodology
The study calculated a claims-based frailty index using data from NHATS and validated it with an independent sample from MCBS.
Limitations
The study's validation cohort had modest sensitivity, which may limit its effectiveness in some cases.
Participant Demographics
Participants were community-dwelling Medicare beneficiaries with dementia.
Digital Object Identifier (DOI)
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