Figure 2.

Percent adherence to endocrine therapy by medication type. Figure 2 shows the unadjusted percent adherence (medication possession ratio ≥ 80%) to endocrine therapy by medication type among patients receiving Medicare D by receipt of a low-income subsidy (LIS). Exemestane and letrozole are grouped together in these figures. Median 90-day out-of-pocket costs are also shown. LIS = low-income subsidy.