Fig. 2From: Gene variants associated with acne vulgaris presentation and severity: a systematic review and meta-analysisMeta-analysis of TNF SNPs associated with acne presentation and acne severity grades. a Subgroup meta-analysis of association of rs1800629 with acne presentation among Asians and Caucasians. b Subgroup meta-analysis of association of rs1800629 with acne severity among different grades. c Meta-analysis of association of rs361525 with acne presentation. Only gene variants that were investigated in at least two other previous studies were included in the meta-analysis. Analysis was performed under allele model (minor allele vs. major allele)., i.e. A versus G for both rs1800629 and rs361525Back to article page