TABLE 3.

Results of pairwise meta-analyses for the NIHSS score.

Comparative	Reference medications	Number of studies	Number of controls	Number of patients	MD/OR	95% CI	I2	p
Actovegin	Placebo	6	210	220	−0.10	[-0.40, 0.20]	0	0.455
Oxiracetam	Placebo	4	324	325	−1.15	[-1.31, −0.98]	0	0.00001
NBP	Placebo	2	39	39	−3.86	[-5.22, −2.50]	0	0.00001
Salvianolate	Placebo	15	1,139	1,149	−2.42	[-2.86, −1.98]	0	0.00001
TCM	Placebo	2	70	70	−1.45	[-2.04, 0.86]	0	0.35
Citicoline	Placebo	4	172	186	−1.72	[1.065, 2.781]	0	0.027
Vinpocetine	Placebo	3	104	96	−1.40	[-2.58, −0.22]	0	0.88

CI, confidence interval; MD, mean difference; OR, risk ratio; I², heterogeneity; TCM, traditional chinese medicine; NBP, DL-3-n-Butylphthalide.