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. 2022 Jul;28(7):10.18553/jmcp.2022.28.7.766. doi: 10.18553/jmcp.2022.28.7.766

TABLE 3.

Adherence Rates by Subgroup

Enrollment type n Mean adherence (%) Median adherence (%) Median CMG (%)
MPRm PDC MRA MPRm PDC MRA
Minimum follow-up
  3 months FFS 2,027 95.2 79.3 83.3 100.0 92.0 98.3
  6 months 1,657 94.7 77.5 81.6 100.0 91.5 97.8
  12 months 1,212 93.9 74.8 79.0 100.0 90.3 96.8
  3 months MA 1,531 94.3 79.0 82.9 100.0 91.7 98.2
  6 months 1,243 93.5 76.6 80.6 100.0 90.7 97.2
  12 months 887 92.6 74.2 78.4 100.0 89.5 96.2
Age, y
  < 65 50 95.5 79.4 82.4 100.0 94.9 99.7 0.3
  65-74 834 94.4 79.3 83.1 100.0 92.5 98.5 1.5
  75-84 1,899 94.9 79.2 83.2 100.0 91.8 98.1 1.9
  > 85 775 94.8 79.0 83.0 100.0 91.1 97.8 2.2
Sex
  Female 657 93.7 78.0 82.0 100.0 89.9 95.8 4.2
  Male 2,901 95.1 79.4 83.4 100.0 92.2 98.6 1.4
Race
  African American 950 92.6 78.1 82.1 100.0 89.5 96.2 3.7
  Hispanic 661 91.6 77.8 81.6 99.2 88.0 92.3 7.7
  Non-Hispanic White 260 95.5 79.4 83.4 100.0 92.3 98.7 1.3
  Other 1,248 96.9 82.2 86.1 100.0 93.1 98.7 1.3
Diagnosisa
  Patients with E85.82 diagnosis 1,189 95.0 78.0 82.0 100.0 91.0 98.0
  Patients without E85.82 diagnosis 981 96.0 84.0 87.0 100.0 94.0 100.0
Tafamidis formulationb
  Tafamidis free acid 2,000 97.0 87.0 90.0 100.0 95.0 100.0
  Tafamidis meglumine 1,170 95.0 69.0 73.0 100.0 85.0 92.0
RUCA tier
  1 Most urban 3,206 80.6
  2 373 80.5
  3 118 81.3
  4 Most rural 140 75.1
DCI quintile
  1 Prosperous 1,286 81.4
  2 952 81.0
  3 588 80.8
  4 476 76.8
  5 Distressed 460 79.6
Medicare cohort
  Disabled 57 93.0 77.0 80.0 100.0 89.0 99.0
  Dualc 375 94.0 83.0 88.0 99.0 92.0 97.0
  ESRD 15 97.0 78.0 81.0 100.0 91.0 93.0

aOnly evaluated FFS patients.

bDenotes P < 0.0001 assessed by analysis of variance for mean adherence (MPRm, PDC, and MRA).

cPertains to patients enrolled in both Medicare FFS and Medicaid.

— = not applicable; CMG = continuous measure of medication gaps; DCI = Distressed Communities Index; ESRD = end-stage renal disease; FFS = Medicare Fee-for-Service; MA = Medicare Advantage; MPRm = modified medication possession ratio; MRA = medication refill adherence; PDC = proportion of days covered; RUCA = Rural-Urban Commuting Area; y = years.