From: Zingiberaceae extracts for pain: a systematic review and meta-analysis
Study | N (treatment) | N (control) | SMD | 95Â % CI low | 95Â % CI high |
---|---|---|---|---|---|
Bliddal et al. 2000 [42] | 56 | 56 | −0.05 | −0.42 | −0.32 |
Altman et al. 2001 [43] | 124 | 123 | −0.16 | −0.41 | 0.09 |
Wigler et al. 2003 [44] | 29 | 29 | −0.46 | −0.98 | 0.07 |
Brinkhaus et al. 2005 [56] | 24 | 58 | 0.23 | −0.24 | 0.71 |
Black et al. 2010 [37] | 20 | 20 | −0.69 | −1.33 | −0.05 |
Agarwal et al. 2011 [54] | 25 | 25 | −1.73 | −2.38 | −1.08 |
Rahnama et al. 2012 [52] | 59 | 46 | −1.19 | −1.61 | −0.77 |
Panahi et al. 2014 [50] | 19 | 21 | −1.65 | −2.37 | −0.93 |