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

Table 6

Analyses of diastolic blood pressure.

Trials		MD [95% CI]	𝑃 value
ZGXFD versus antihypertensive drugs
ZGXFD versus captopril	1	−8.42 [−10.98, −5.86]	<0.00001
Modified ZGXFD versus indapamide	1	−0.52 [−4.67, 3.63]	0.81
Meta-analysis	2	−6.24 [−8.42, −4.07]	<0.00001