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. 2016 Aug 30;16(1):52. doi: 10.1186/s12894-016-0171-5

Fig. 4.

Fig. 4

Forest plot of the association between CDH13 methylation and tumor grade from a fixed-effects model, including 4 studies with 169 high-grade patients and 284 low-grade patients, OR = 2.22, 95 % CI = 1.72–6.80, P < 0.001