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. 2015 Jun 8;10(6):e0129969. doi: 10.1371/journal.pone.0129969

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© 2015 Wang et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 2 — WM, Western medicine; BE, breviscapine; CI, confidence interval; Test for heterogeneity: chi-squared test with degrees of freedom (d.f.) and P-value; Inconsistency among results: I² test for overall effect; Z statistic with P-value.