Table 7: Effect of Chinese herbal medicines on angiographic characteristics after PCI.

Chinese herbal medicineNumber of studiesNumber of patientsMean difference95% CI of mean difference

Minimum lumen diameter (mm)
 Fu fang dan shen plus RWM versus RWM1 [86]470.050.04~0.26
 Guan tong formula plus RWM versus RWM1 [54]1200.210.06~0.36
 Lei gong teng plus RWM versus RWM2 [43, 64]1190.11−0.13~0.36
 Si ni tang plus RWM versus RWM1 [59]630.26−0.03~0.55
 Tong xin fang plus RWM versus RWM1 [49]61−0.10−0.44~0.24
Overall (CHMs plus RWM versus RWM) 64100.150.05~0.24
 Xiong shao capsule plus RWM versus RWM plus placebo1 [67]970.490.12~0.86
CHMs plus RWM versus RWM plus placebo 1 970.490.12~0.86
Late loss of lumen (mm)
 Fu fang dan shen plus RWM versus RWM1 [86]470.00−0.22~0.22
 Guan tong formula plus RWM versus RWM1 [54]120−0.16−0.28~−0.04
 Lei gong ten plus RWM versus RWM1 [64]53−0.30−0.48~−0.12
 Shu xue tong injection plus RWM versus RWM1 [56]64−0.29−0.44~−0.14
 Tong xin luo plus RWM versus RWM2 [55, 82]148−0.33−0.46~−0.21
Overall (CHMs plus RWM versus RWM)*6432−0.24−0.34~−0.15
Net gain in lumen diameter (mm)
 Fu fang dan shen plus RWM versus RWM1 [86]470.04−0.18~0.26
 Guan tong formula plus RWM versus RWM1 [54]1200.210.08~0.34
 Lei gong tang plus RWM versus RWM1 [64]530.28−0.03~0.59
 Shu xue tong injection plus RWM versus RWM1 [56]640.250.09~0.41
Overall (CHMs plus RWM versus RWM) 42840.200.11~0.29
Lesion area net gain (mm2)
 Fu fang dan shen plus RWM versus RWM1 [86]470.06−0.54~0.66
 Guan tong formula plus RWM versus RWM1 [54]1200.660.25~1.07
 Lei gong teng plus RWM versus RWM1 [64]530.660.41~0.91
 Tong xin luo plus RWM versus RWM2 [55, 82]1480.990.64~1.33
Overall (CHMs plus RWM versus RWM) 53680.690.52~0.87

*Random effect model
CHM = Chinese herbal medicine; CI = confidence interval; PCI = percutaneous coronary intervention; RWM = routine Western medicine.