. 2008 Aug 22;10(7):3–11. doi: 10.1111/j.1751-7176.2008.08575.x

Table II.

Other Clinical Trial Evidence of the Effect of Potassium on Blood Pressure

Study	No. of Patients	Intervention	Average Duration	Mean BP Lowering (SBP/DBP), mm Hg	P Value
Appel, 1997 ¹⁰	459	DASH diet	8 wk	3.5/2.1 No HTN	<.001
				11.4/5.5 HTN	.003
					<.001
Sacks, 2001 ¹¹	412	IM Na diet + control diet/DASH diet; low Na diet + control diet/DASH diet	30 d	2.1/1.1	<.05
				1.3/0.6	<.001
				4.6/2.4	<.001
				1.7/1.0	<.001
Gu, 2001 ³⁶	150	60 mmol/d KCl	12 wk	5.0/0.63	<.001
					NS
Kawano, 1998 ³⁷		64 mmol/d KCl (slow‐release)	4 wk	2.7/1.4	<.05
Braschi, 2003 ³⁸	59	24 mmol/d KCl/d (slow‐release)	6 wk	↓MAP 7.01; 7.60/6.46	<.001
Abbreviations: BP, blood pressure; DASH, Dietary Approaches to Stop Hypertension; DBP, diastolic blood pressure; HTN, hypertension; IM, intermediate; MAP, mean arterial pressure; SBP, systolic blood pressure.