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. 2015 Sep 4;5:13563. doi: 10.1038/srep13563

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Copyright © 2015, Macmillan Publishers Limited

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The pooled OR for PENs analysis is shown in Fig. 5a (OR = 34.96, 95% CI = 6.27–194.87, Z = 4.05, P < 0.0001). As shown in Fig. 5b, the pooled OR for PDA is 14.33 (95% CI = 6.83–30.07, Z = 7.04, P < 0.00001).