Table 3: Risk ratios of Chinese herbal medicines administered to prevent cardiac mortality after PCI.

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

Bu xin yin plus RWM versus RWM1 [76]440.40.02~9.24
Chuan qiong qing plus RWM versus RWM1 [65]1650.230.01~4.38
Dan hong tong mai capsule plus RWM versus RWM1 [91]1382.920.12~70.35
Dan shen plus RWM versus RWM2 [44, 85]1680.330.03~3.07
Ku lie zhi injection plus RWM versus RWM1 [78]400.330.01~7.72
Liang xue shen ji formula plus RWM versus RWM1 [46]970.150.02~1.2
Shu xin yin plus RWM versus RWM1 [75]440.400.02~9.24
Tong xin luo plus RWM versus RWM1 [79]1320.380.02~9.06
Wen tong jian plus RWM versus RWM1 [87]4670.070.00~1.32
Overall (CHMs plus RWM versus RWM)1012950.270.11~0.63

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