Table 4.

Blood pressure control rates for each drug by plasma renin activity (PRA) and age criteria

	Blood pressure control rate, %
	Black subjects					White subjects
Drug	All	PRA < 0.6 ng/ml/h	PRA ≥ 0.6 ng/ml/h	Aged < 50 y	Aged ≥ 50 y	All	PRA < 0.6 ng/ml/h	PRA ≥ 0.6 ng/ml/h	Aged < 50 y	Aged ≥ 50 y
HCTZ	55.2	57.9	52.7	43.2	47.2	52.4	49.2	53.8	49.7	55.9
Candesartan	45.2***	36.9**	70.5***	57.7****	51.4	78.1**	63.7*	89.6**	77.2**	78.7**

Blood pressure control rate defined as percentage of subjects with BP <140/90mm Hg.

Abbreviation: HCTZ, hydrochlorothiazide.

*P = 0.006 candesartan vs. HCTZ.

**P < 0.001 candesartan vs. HCTZ.

***P = 0.02 candesartan vs. HCTZ.

****P = 0.01 candesartan vs. HCTZ.