Chinese Patent Medicine Liu Wei Di Huang Wan Combined with Antihypertensive Drugs, a New Integrative Medicine Therapy, for the Treatment of Essential Hypertension: A Systematic Review of Randomized Controlled Trials

Table 3

Analyses of blood pressure.

Trials		Intervention (n/N)	Control (n/N)	RR (95% CI)	𝑃 value
LWDHW plus sustained-release nifedipine versus sustained-release nifedipine	1	90/93	52/61	5.19 (1.35, 20.04)	0.02
LWDHW plus captopril versus captopril	1	45/49	43/48	1.31 (0.33, 5.20)	0.70
LWDHW plus enalapril versus enalapril	1	35/42	23/36	2.83 (0.98, 8.15)	0.05
Meta-analysis	3	170/184	118/145	2.77 (1.37, 5.57)	0.004