Fig. 2. Forest plot of the meta-analysis for homocysteine levels Fig. 2. Forest plot of the meta-analysis for homocysteine levels. (A) Homocysteine levels in psoriasis patients and controls. (B) Subgroup analysis according to mean psoriasis area severity index (PASI) scores. (C) Meta-analysis of two studies which directly compared homocysteine levels according to psoriasis severity within studies. WMD: weighted mean difference, CI: confidence interval. Ann Dermatol. 2019 Aug;31(4):378-386. https://doi.org/10.5021/ad.2019.31.4.378