Table 1.
Author | Patients | Treatment | Adherence definition | Endpoint | Extracted data |
---|---|---|---|---|---|
Probability of adherence | |||||
Patel et al. [11] | Adults taking a CCB or statin (but not both) who then initiated treatment with SPAA or added CCB to statin (or vice versa) | Co-administration vs. single-pill administration | PDC ≥80% | % of patients with PDC ≥ 80 % | ATR/AML: 67.7% ATR+AML: 49.9% |
Chapman et al. [15] | Patients with co-morbid hypertension and dyslipidemia at high risk for cardiovascular disease | Co-administration vs. single-pill administration | PDC ≥80% | % of adherent patient | Diabetes adherence OR (vs. noncoronary artery disease) Adjusted OR (95% CI): 1.06 (0.96. 1.17) Unadjusted OR (95% CI): 0.99 (0.90 1.08) |
LDL-C level according to adherence level | |||||
Parris et al. [16] | Patients with diabetes and dyslipidemia | Statin | PDC ≥80% | LDL-C goal (<100 mg/ dL) attainment according to adherence level | PDC≥80% (MPR, %): 56-78 PDC < 80% (MPR. %): 16-42 |
CCB, calcium channel blocker; SPAA, single-pill amlodipine/atorvastatin; PDC, proportion of days covered; ATR, atorvastatin; AML, amlodipine; OR, odds ratio; CI, confidence interval; LDL-C, low density lipoprotein cholesterol; MPR, medication possession ratio.