Table 1. Variation in Disenrollment Across Contracts and Correlations With Other Measures^a.

Time of disenrollment since baseline, y	Contract distribution, %				r b
	25th Percentile	50th Percentile	75th Percentile	Mean	1-y Disenrollment	Overall plan rating
1	4.5	9.8	19.0	16.7	1	−0.1
2	9.6	20.3	40.3	31.5	0.6	−0.2
3	14.3	31.2	67.2	42.9	0.5	−0.3
4	18.9	44.2	76.0	52.2	0.5	−0.4
5	23.1	56.1	79.0	59.0	0.4	−0.4

^a Disenrollment was defined as a beneficiary voluntarily leaving their contract for either traditional Medicare or another Medicare Advantage contract and then aggregated to the contract level. Aggregated disenrollment rates at the Medicare Advantage contract level are shown.

^b Pearson correlations between a plan’s disenrollment measure and 1-year disenrollment and beneficiary overall rating of the health plan from Consumer Assessment of Healthcare Providers and Systems performance measurement.