Table 1.
Characteristics and methodological quality of included studies.
| Study ID | Sample | Diagnosis standard | Intervention | Control | Course (week) | Outcome measure |
|---|---|---|---|---|---|---|
| Guo et al. 2002 [14] |
129 | Hypertension diagnostic criteria (unclear); GCRNDTCM | ZGXFD | Captopril | 4 | BP; TCM-SSD; side effect |
| Mao 2005 [15] |
70 | 1999 WHO -ISH GMH; GCRNDTCM | Modified ZGXFD | Indapamide | 3 | BP; TCM-SSD |
| Luo 2008 [16] |
45 | CGMH-1999; GCRNDTCM | ZGXFD | Captopril | 2 | BP; TCM-SSD |
| Liu and Zhong 2008 [17] |
120 | CGPMHBP-2004; GCRNDTCM | Modified ZGXFD plus benazepril | Benazepril | 3 | BP; TCM-SSD |
| Li and Zheng 2012 [18] |
166 | Hypertension diagnostic criteria (unclear); TCM diagnostic criteria (unclear) | Modified ZGXFD | Captopril | 4 | BP; side effect |
| Zhou 2000 [19] | 300 | Hypertension diagnostic criteria (unclear); TCM diagnostic criteria (unclear) | Modified ZGXFD plus nitrendipine | Nitrendipine | 4 | BP; side effect |