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. 2018 Jul 10;13(7):e0200200. doi: 10.1371/journal.pone.0200200

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© 2018 Badawi 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 credited.

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Fig 3 — Weights are calculated from binary random-effects model analysis. Values represent proportion of diabetes (a), hypertension (b), heart diseases (c) and stroke (d) in West Nile virus patients and 95% CI. Heterogeneity analysis was carried out using Q test, the among studies variation (I² index) and within-study variance in the random-effects model (τ²).