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Table 4 PSO-LIFE scores at baseline and final visit, difference in score between visits, and effect size according to change in psoriasis patients’ self-perceived health status

From: Validation of a new tool to assess health-related quality of life in psoriasis: the PSO-LIFE questionnaire

Self-rating on health status transition item Baseline Final (3 months) Difference n Effect size
Mean SD Mean SD Mean SD
Much improved 62.3 22.0 84.5 13.4 22.2 20.4 69 1.01
Considerably improved 58.0 21.0 75.0 17.6 17.1 12.8 67 0.81
Slightly improved 68.5 22.6 75.0 20.1 6.5 10.3 39 0.29
More or less the same 73.5 20.6 76.5 20.6 3.0 9.8 62 0.15
Slightly worse 68.4 24.6 62.3 22.4 −6.2 15.5 16 −0.25
Considerably/Much worse 63.0 17.5 55.2 17.4 −7.7 15.1 11 −0.44
  TOTAL 65.1 22.1 76.2 19.2 11.1 17.4 264 0.50