Table 5.

Analysis of platelet aggregation rate induced by ADP.

Trials		MD (95% CI)	P value
Chinese formula versus anti-platelet-aggregation drugs
Tong xin luo capsule versus clopidogrel	1	13.32 [7.68, 18.96]	<0.00001
Zhilong huoxue capsule versus aspirin	1	−5.50 [−10.49, −0.51]	0.03
Di'ao xinxuekang capsule versus aspirin	1	−5.50 [−10.49, −0.51]	0.03
Meta-analysis	3	0.70 [−11.07, 12.48]	0.91
Chinese formula plus anti-platelet-aggregation drugs versus anti-platelet-aggregation drugs
Composite salvia dropping pill plus aspirin versus aspirin	1	−13.92 [−19.58, −8.26]	<0.00001
Huo xue capsule plus aspirin versus aspirin	1	−40.97 [−49.64, −32.30]	<0.00001
Tong xin luo capsule plus aspirin versus aspirin	1	−2.51 [−4.46, −0.56]	0.01
Xinnao shutong capsule plus aspirin versus aspirin	1	−23.26 [−26.11, −20.41]	<0.00001
Xuefu zhuyu decoction plus aspirin versus aspirin	1	−16.82 [−22.12, −11.52]	<0.00001
Ginkgo biloba extract plus aspirin versus aspirin	1	−2.87 [−7.00, 1.26]	0.17
Meta-analysis	5	−17.61 [−19.56, −15.65]	<0.00001