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The forest plot for the association between DAPK methylation and the risk of NPC by the fixed-effects model (M−H) and random-effects model (D+L) in NPC vs controls.
Abbreviations: NPC, nasopharyngeal carcinoma; M−H, Mantel–Haenszel; D+L, DerSimonian–Laird; OR, odds ratio; CI, confidence interval.
