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Table 2 Efficacy on chronic urticaria in the experiment group and the placebo group

From: Adjunct therapy with probiotics for chronic urticaria in children: randomised placebo-controlled trial

Group Number of subjects No improvement Mild improvement Significant improvement Complete response Overall response rate (%)a,b
Experiment group 104 7 (6.7%) 13 (12.5%) 16 (15.4%) 68 (65.4%) 84 (80.8%)
Placebo group 102 7 (6.9%) 32 (31.3%) 21 (20.6%) 42 (41.1%) 63 (61.7%)
  1. aOverall response rate = significant improvement + complete response
  2. bThe overall response rate was evaluated by χ2 test
  3. p < 0.05 between these two groups