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. 2015 Oct 1;10(10):e0139455. doi: 10.1371/journal.pone.0139455

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© 2015 Li 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 6 — Forest plot showing the impact of PC treatment on CAT, compared with controls. Abbreviations: SMD = standardized mean difference, IV = independent variable, 95% CI = 95% confidence interval.