Table 1.

The uses of antihypertensive medications in 1230 study subjects according to the optimal disage criteria

	Count by any dosage	Count by 50 % or more of recommended dose	p*
Angiotensin receptor blocker	714 (57.9 %)	705 (57.2 %)	0
ACE inhibitor	166 (13.5 %)	157 (12.7 %)	0
Beta blocker	530 (43.0 %)	456 (37.0 %)	< 0.0001
Calcium antagonist	732 (59.4 %)	727 (59.0 %)	0.03
Dihydrochlorthiazide	259 (21.0 %)	235 (19.1 %)	<0.0001
Indapamide	19 (1.5 %)	19 (1.5 %)	0
Loop diuretics	49 (4.0 %)	47 (3.8 %)	0.16
Spironolactone	20 (1.6 %)	20 (1.6 %)	0
Categories of antihypertensive drug regimen
3 drugs including diuretics	72 (5.9 %)	83 (6.7 %)	<0.0001
4 drugs	105 (8.5%)	83 (6.7 %)
other 1 or more drugs	1053(85.6 %)	1064(86.5 %)

ACE angiotensin converting enzyme, * p value for McNemar chi square test