Table 3—

Retrospective database studies of insulin use

ReferencenPopulationAge (years)Follow-upHbA1cAdherence rate
Brown et al. (12)102HMO new start10 yearsPersistence 79.6% at 24 months
Morris et al. (7)89Scotland16 ± 712 months9.4 ± 1.733–86% days supply*
9.0 ± 1.587–116% days supply*
Rajagopalan et al. (21)27,274 allPBO5324 months62 ± 24%
1,323 new start64 ± 24%
  • *

    * Days supply = number of tablet dispensed per prescribed number of times to be taken daily. HMO, health maintenance organization; PBO, pharmacy benefit organization.