Fig. 2

Treatment adherence: mean % proportion of days covered (PDC) according to the number of antihypertensive drugs and pills prescribed on the index date. ***P < 0.0001 for comparisons between 1-drug and 2-, 3-, 4-, and ≥ 5-drug regimens and between 1-pill and 2-, 3-, 4-, and ≥ 5-pill regimens