Tianma Gouteng Yin as Adjunctive Treatment for Essential Hypertension: A Systematic Review of Randomized Controlled Trials

Table 4

Analyses of blood pressure.

Trials		Intervention (n/N)	Control (n/N)	RR [95% CI]	P Value
TGY plus ACEI versus ACEI
modified TGY plus enalapril versus enalapril	1	56/60	44/56	3.82 [1.15, 12.66]	0.03
modified TGY plus captopril versus captopril	1	44/48	21/32	5.76 [1.64, 20.25]	0.006
TGY plus perindopril versus perindopril	1	29/30	26/30	4.46 [0.47, 42.51]	0.19
TGY plus captopril versus captopril	1	45/50	44/50	1.23 [0.35, 4.32]	0.75
modified TGY plus captopril versus captopril	1	34/36	30/36	3.40 [0.64, 18.13]	0.15
TGY plus captopril versus captopril	1	45/50	44/50	1.23 [0.35, 4.32]	0.75
modified TGY plus captopril versus captopril	1	48/50	42/50	4.57 [0.92, 22.73]	0.06
modified TGY plus enalapril versus enalapril	1	48/50	39/50	6.77 [1.42, 32.37]	0.02
Meta-Analysis	8	349/374	290/354	3.16 [1.94, 5.14]	<0.00001
TGY plus CCB versus CCB
TGY plus nifedipine versus nifedipine	1	48/49	40/49	10.80 [1.31, 88.92]	0.03
TGY plus levamlodipine versus levamlodipine	1	58/60	47/60	8.02 [1.72, 37.33]	0.008
Meta-Analysis	2	106/109	87/109	8.97 [2.59, 31.04]	0.0005
TGY plus antihypertensive drugs versus antihypertensive drugs
TGY plus antihypertensive drugs versus antihypertensive drugs	1	20/22	17/23	3.53 [0.63, 19.83]	0.01
Meta-Analysis	1	20/22	17/23	3.53 [0.63, 19.83]	0.01