Fig. 1. (A) Distribution of chronic spontaneous urticaria based on the result of autologous serum skin test (ASST) and autologous plasma skin test (APST) (n = 128). Box and whiskers plot 10th–90th percentile revealed a comparison of urticaria severity score (USS) (B) and dermatology life quality index (DLQI) (C) among negative, positive ASST, positive APST, and both positive ASS and APST groups.
