Suitability of the Oxford Shoulder Score for measuring pain in clinical trials evaluating interventions for people with shoulder disorders according to the OMERACT filter 2.2
BACKGROUND: Pain is a mandatory domain in Outcome Measures in Rheumatology (OMERACT) core outcome sets for shoulder disorder trials. We evaluated the Oxford Shoulder Score (OSS), a composite measure comprising four pain and eight function items but no separate subscales for thes…