Appendix Assessment of quality of life and function Several patient-reported outcomes are available in the form of questionnaires and are mainly used in research/clinical trials. Short-Form 36-Item Health Survey (SF-36) Health Assessment Questionnaire (HAQ) Disability Index Psoriatic Arthritis Quality of Life (PsAQOL) Dermatology Life Quality Index (DLQI) Psoriatic arthritis impact of disease (PsAID9 and PsAID12) Ankylosing Spondylitis Quality of Life (ASQoL) VAS global VAS joints VAS skin VAS pain 38 42 47 48 50 51 # # # # 36
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