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Table 3 Correlations Among DLQI Scores and Itch Measures, Baseline and Week 12

From: Validity and reliability of patient reported outcomes used in Psoriasis: results from two randomized clinical trials

  STUDY A STUDY B
  Baseline Week 12 Baseline Week 12
  VAS Itch Scale VAS Itch Scale NPF Itch Scale NPF Itch Scale
DLQI Total Scale 0.45 0.66 0.52 0.73
   DLQI Symptoms and Feelings Subscale 0.57 0.74 0.59 0.79
   DLQI Daily Activities Subscale 0.32 0.56 0.39 0.62
   DLQI Leisure Subscale 0.26 0.49 0.34 0.55
   DLQI Work and School Subscale 0.28 0.45 0.35 0.54
   DLQI Personal Relationship Subscale 0.26 0.45 0.34 0.47
   DLQI Treatment Subscale 0.30 0.56 0.32 0.54
  1. All correlations are significant at p < 0.001