Zhen Gan Xi Feng Decoction, a Traditional Chinese Herbal Formula, for the Treatment of Essential Hypertension: A Systematic Review of Randomized Controlled Trials
Table 4
Analyses of blood pressure.
Trials
Intervention ()
Control ()
RR [95% CI]
value
ZGXFD versus antihypertensive drugs
ZGXFD versus captopril
1
54/68
40/61
2.02 [0.92, 4.46]
0.08
Modified ZGXFD versus indapamide
1
40/47
19/23
1.20 [0.31, 4.61]
0.79
ZGXFD versus captopril
1
22/24
18/21
1.83 [0.28, 12.19]
0.53
Modified ZGXFD versus captopril
1
78/86
65/80
2.25 [0.90, 5.64]
0.08
Meta-analysis
4
194/225
142/185
1.93 [1.14, 3.25]
0.01
ZGXFD plus antihypertensive drugs versus antihypertensive drugs
Modified ZGXFD plus benazapril versus benazapril
1
56/60
47/60
3.87 [1.18, 12.68]
0.03
Modified ZGXFD plus nitrendipine versus nitrendipine
