Table 2. Meta-analyses of oral potassium supplementation for the management of essential hypertension; results of "metaplot" command.

Study omitted	I2	[95% Conf. Interval]		Chi2	P>|t|
1 Forrester 1988	82.72	74.64	88.23	115.74	0.000
2 Fotherby 1992	82.73	74.66	88.23	115.83	0.000
3 Franzoni 2005	75.19	62.10	83.75	80.60	0.000
4 Gijsbers 2015	82.73	74.65	88.23	115.79	0.000
5 Grimm 1988	79.85	69.93	86.49	99.24	0.000
6 Grobbee 1987	82.53	74.33	88.11	114.47	0.000
7 He 2010	82.60	74.44	88.15	114.92	0.000
8 Heseltine 1990	82.70	74.61	88.21	115.61	0.000
9 Kaplan 1985	82.51	74.30	88.10	114.37	0.000
10 Kawano 1998	82.72	74.64	88.23	115.75	0.000
11 Lawton 1990	82.47	74.23	88.07	114.09	0.000
12 MacGregor 1982	82.56	74.38	88.13	114.67	0.000
13 MacGregor 1984	82.56	74.38	88.13	114.67	0.000
14 Patki 199076	67.76	49.27	79.51	62.04	0.000
15 Rahimi 2007	82.25	73.88	87.94	112.71	0.000
16 Richards 1984	82.71	74.63	88.22	115.70	0.000
17 Siani 1987	82.43	74.17	88.05	113.82	0.000
18 Siani 1991	82.43	74.16	88.05	113.80	0.000
19 Smith 1985	82.67	74.56	88.19	115.40	0.000
20 Svetkey 1987	82.66	74.54	88.19	115.32	0.000
21 Valdes 1991	82.74	74.67	88.24	115.87	0.000
22 Wu 200682	82.62	74.47	88.16	115.05	0.000
Combined	81.88	73.51	87.6	115.88	0.000