Zhen Gan Xi Feng Decoction, a Traditional Chinese Herbal Formula, for the Treatment of Essential Hypertension: A Systematic Review of Randomized Controlled Trials

Table 5

Analyses of systolic blood pressure.

Trials		MD [95% CI]	𝑃 value
ZGXFD versus antihypertensive drugs
ZGXFD versus captopril	1	−10.94 [−15.64, −6.24]	<0.00001
Modified ZGXFD versus indapamide	1	−0.74 [−6.72, 5.24]	0.81
Meta-analysis	2	−7.05 [−10.74, −3.35]	0.0002