Fig. 2From: Association of Interleukin-1 gene clusters polymorphisms with primary open-angle glaucoma: a meta-analysisForest plot for included studies examining the association between the IL-1β rs16944 and POAG risk. Abbreviations: POAG, primary open-angle glaucoma; Chi2, Chi-square statistic; CI, confidence interval; df, degrees of freedom; I2, I-square heterogeneity statistic; IV, inverse variance; Z, Z-statisticBack to article page