Table 2: Risk ratios of Chinese herbal medicines administered to prevent restenosis after PCI.

Chinese herbal medicineNumber of studiesNumber of patientsRisk ratio (RR)95% CI of RR

Bu xin yin plus RWM versus RWM1 [76]440.690.23~2.01
Chuan qiong qing plus RWM versus RWM1 [65]1650.510.19~1.31
Dan hong tong mai capsule plus RWM versus RWM1 [91]1030.350.10~1.23
Dan shen plus RWM versus RWM5 [44, 50, 52, 85, 86]3880.270.14~0.52
Ge gen shu plus RWM versus RWM1 [42]760.230.06~0.95
Guan mai zhai tong decoction plus RWM versus RWM1 [68]920.320.09~1.11
Guan tong formula plus RWM versus RWM1 [54]1200.430.18~1.04
Jia wei xue fu zhu yu particle plus RWM versus RWM1 [51]400.750.27~2.07
Jiang lian he ji plus RWM versus RWM1 [63]260.570.11~2.87
Ku lie zhi injection plus RWM versus RWM1 [78]401.000.07~14.9
Lei gong teng plus RWM versus RWM2 [43, 64]1330.750.40~1.40
Liang xue shen ji formula plus RWM versus RWM1 [46]970.450.12~1.70
Shen qi decoction plus RWM versus RWM1 [89]680.470.09~2.40
Shu xin yin plus RWM versus RWM1 [75]440.690.23~2.01
Si ni tang plus RWM versus RWM1 [59]630.550.14~2.09
Tong guan capsule plus RWM versus RWM1 [70]250.670.26~1.72
Tong mai yu xin plus RWM versus RWM2 [60, 62]2720.390.21~0.70
Tong xin fang plus RWM versus RWM1 [49]611.030.23~4.72
Tong xin luo plus RWM versus RWM4 [39, 79, 82, 90]3280.340.20~0.59
Wen tong jian plus RWM versus RWM1 [87]4670.030.00~0.49
Xue fu zhu yu pin plus RWM versus RWM2 [72, 84]1570.610.32~1.16
Xue yu tong he ji plus RWM versus RWM1 [69]361.00.16~6.35
Xue zhi kang plus RWM versus RWM1 [48]550.300.09~0.99
Xing mai fu tong decoction plus RWM versus RWM1 [61]700.710.17~2.94
Xiong shao capsule plus RWM versus RWM2 [40, 80]1730.430.23~0.81
Yi qi hua yu formula plus RWM versus RWM1 [41]1000.130.02~1.10
Yi xin capsule plus RWM versus RWM1 [77]940.500.27~0.91
Self-prepared guantong decoction plus RWM versus RWM1 [83]300.400.16~1.00
Overall (CHMs plus RWM versus RWM)3833670.430.36~0.51
Xiong shao capsule plus RWM versus RWM plus placebo2 [67, 81]4380.460.27~0.76
Overall (CHMs plus RWM versus RWM plus placebo)2 4380.460.27~0.76

CHM = Chinese herbal medicine; CI = confidence interval; RWM = routine Western medicine.