Skip to main content

Table 2 Distribution characteristics and reliability of the PSO-LIFE questionnaire in psoriasis patients (active and inactive): n = 304

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

  Mean SD Missing items* Observed range Floor (%) Ceiling (%) Cronbach’s alpha ICC
PSO-LIFE overall score 64.9 22.4 4.6% 10-100 0% 3.2% 0.95 0.98
  1. *Proportion of patients with a missing response on at least one item.