Fig. 4From: Measurement of superoxide dismutase: clinical usefulness for patients with anti-neutrophil cytoplasmic antibody-associated vasculitisComparison of serum SOD level based on the pattern of organ involvement. The Mann–Whitney U test was used to compare median SOD level between the two groups. Lines and bars indicate the medians (IQR). Abbreviations: ENT: ear, nose, and throatBack to article page