Table 2.
Medication persistence with valsartan and enalapril
| Persistence | N | At 1 year after the index date | At 2 years after the index date | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Persistent (%) | RR | 95% CI | RRb | 95% CI | Persistent (%) | RR | 95% CI | RRb | 95% CI | ||
| Enalapril | 9103 | 55.0 | 1.00 | Reference | 1.00 | Reference | 43.0 | 1.00 | Reference | 1.00 | Reference |
| Valsartan | 3364 | 61.6 | 1.22a | 1.15–1.30 | 1.23a | 1.16–1.32 | 47.8 | 1.16a | 1.10–1.22 | 1.16a | 1.11–1.23 |
a
Statistically significant p < 0.05.
b
Adjusted for gender, age, type of prescriber, current and previous use of antihypertensive drugs, previous cardiovascular co-medication, and previous cardiovascular hospitalizations.