• Diana Zidarov, Alexia Zidarova-Carrié, Regina Visca, J Marc Miller, Krista Brecht, Natacha Viens, and Sara Ahmed.
• Faculty of Medicine, School of Rehabilitation, Université de Montreal, Montreal, QC, Canada.
• Qual Life Res. 2020 Jul 1; 29 (7): 2007-2020.

PurposeTo identify a core patient-reported outcome (PRO) domain set to be used in routine clinical care in settings offering specialized and supra-specialized multidisciplinary care to individuals with chronic pain (CP).MethodsTwo online cross-sectional surveys were administered: one with healthcare professionals (HCPs) and one with individuals with CP. Both surveys included domains of health-related quality of life (HRQoL) from the Patient-Reported Outcomes Measurement Information System (PROMIS) framework. The patients' survey also included the Patient Generated Index (PGI). Areas affected by CP identified in the PGI were mapped to The International Classification of Functioning, Disability and Health (ICF).ResultsAccording to HCPs, the five most relevant HRQoL domains to be assessed in routine clinical care were pain interference, pain intensity, physical function, anxiety and depression. The five areas that were the most valued by individuals with CP were recreation and leisure; global mental function; work and employment; household tasks and walking and moving. In total, these represented 74% of all nominated areas. When triangulating both frameworks (ICF/PROMIS) and perspectives (HCPs/patients), 10 core PRO domains were identified: pain interference, pain intensity, physical function, sleep disturbance, anxiety, depression, ability to participate in social roles and activities, fatigue, sleep-related impairments and self-efficacy.ConclusionsThis study identified 10 core PRO domains covering the physical, psychological and social consequences of CP on an individual's life from the perspective of individuals with CP and HCPs. The results can help identify appropriate PRO measures to assess the outcomes of multidisciplinary interventions.

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