The effect of providing Medicare Advantage enrollees diagnosed with cancer additional time to reassess enrollment.

Medigap protection vs non-Medigap protection states Stratifying by whether the beneficiary was diagnosed in a state with or without Medigap-guaranteed issue protections indicated the policy was associated with lower disenrollment to TM for beneficiaries diagnosed in January and in a non-Medigap protection state (−0.51 pp; 95% CI: −0.85, −0.17; P = .003) and a marginally nonsignificant increase in choosing a new MA plan for these enrollees (0.37 pp; 95% CI: −0.01, 0.74; P = .05).

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