Table 3

Adjusted* relative risk (95% CI) of maintaining a Medication Possession Ratio ≥0.8 over 1 year and up to 3 years following an ACS hospitalisation

1 yearUp to 3 years
Age 35–44 years0.84 (0.77 to 0.91)0.75 (0.67 to 0.83)
Age 45–54 years0.97 (0.93 to 1.01)0.94 (0.90 to 0.99)
Age 55–64 years
Age 65–74 years1.00 (0.97 to 1.03)1.02 (0.99 to 1.06)
Age 75–84 years0.96 (0.93 to 1.00)0.97 (0.94 to 1.01)
Female0.95 (0.93 to 0.98)0.94 (0.91 to 0.96)
European/other
Māori0.88 (0.84 to 0.92)0.87 (0.83 to 0.92)
Pacific0.82 (0.76 to 0.89)0.82 (0.75 to 0.90)
Indian1.01 (0.94 to 1.08)0.98 (0.91 to 1.07)
STEMI1.18 (1.14 to 1.22)1.15 (1.10 to 1.19)
Coronary procedure1.24 (1.21 to 1.27)1.22 (1.19 to 1.25)
Previous CVD0.94 (0.91 to 0.96)0.96 (0.93 to 0.98)
Prior statin use1.57 (1.53 to 1.62)1.56 (1.52 to 1.61)
  • All figures in parenthesis are 95% CIs.

  • *Adjusted for the variables shown in this table: age, gender, ethnicity, STEMI diagnosis, coronary procedure within 30 days of admission, previous CVD and statin use in the 90 days before admission.

  • ACS, acute coronary syndrome; CVD, cardiovascular disease; STEMI, ST elevation myocardial infarction.