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Table 3 Percentage of reduction and effect size for symptom scales (Intention-to-treat and completers)

From: Group cognitive behavior therapy for Japanese patients with social anxiety disorder: preliminary outcomes and their predictors

  Intention-to-treat Completers
  % of reduction Effect size % of reduction Effect size
Social Phobia Scale 30 0.75 33 0.83
Social Interaction Anxiety Scale 21 0.79 23 0.89
Fear of Negative Evaluation 9 0.49 12 0.68
Brief Fear of Negative Evaluation 12 0.48 20 0.54
FQ-spa 25 1.01 30 1.19
Liebowitz Social Anxiety Scale (total) 20 0.65 22 0.71
   Fear of performance 21 0.78 23 0.83
   Avoidance of performance 26 0.71 31 0.80
   Fear of social interaction 10 0.37 11 0.41
   Avoidance of social interaction 20 0.47 23 0.53
WHLSb 20 0.59 36 0.75
  1. FQ-spa: Fear Questionnaire Social Phobia Subscale
  2. WHLSb: Work, Home and Leisure Activities Scale