Table 6.

Analyses of diastolic blood pressure.

Trials		WMD [95% CI]
EIH vs. ANTIHYPERTENSIVE DRUGS
Shan_lv_cha tablet vs. captopril	1	1.50 [0.46, 3.46]
Shan_lv_cha tablet vs. amlodipine	1	−0.10 [−2.73, 2.53]
Shan_lv_cha tablet vs. nitrendipine	1	1.20 [−2.54, 4.94]
Shan_lv_cha tablet vs. captopril	1	−1.03 [−4.22, 2.16]
Shan_lv_cha tablet vs. felodipine sustained release tablet	1	−1.60 [−3.66, 0.46]
Meta-Analysis	5	−0.02[−1.13, 1.09]
EIH PLUS ANTIHYPERTENSIVE DRUGS vs. ANTIHYPERTENSIVE DRUGS
Shan_lv_cha capsule plus nifedipine vs. nifedipine	1	−8.70 [−11.49, −5.91]
Meta-Analysis	1	−8.70 [−11.49, −5.91]

EIH, extract of I. hainanensis.