Figure 2.

Discontinuation of antihypertensive drug classes 2 years after initiation in 4997 patients with hypertension in primary healthcare initiated on therapy 2006 to 2007. Unadjusted and adjusted hazard ratios. Covariates adjusted for were age, sex, systolic and diastolic blood pressure, diabetes mellitus, no cardiovascular comorbidity (no atrial fibrillation, congestive heart failure, diabetes mellitus, cerebral vascular disease or ischemic heart disease, total number of drugs, income, country of birth, educational level, and initiated drug class). ACE = angiotensin converting enzyme, ARB = angiotensin receptor blocker, CCB = calcium channel blocker.