Candidate instruments for the shoulder core domain set within pain and physical function/activity.
| Abbrev | Items | Response Scales (Range Score) | |
|---|---|---|---|
| Pain instruments | |||
| Visual analog scale | VAS | 1 | Visual analog scale (0–100) |
| Numerical rating scale | NRS | 1 | Ordinal scale (0–10) |
| Verbal rating scale | VRS | 1 | Categorical scale with optional response formats |
| Oxford Shoulder Score24,25 | OSS | 12 | 5-point ordinal scale (0–48) |
| Shoulder Pain And Disability Index, pain subscale26,27 | SPADI | 5 | Visual analog pain scale or 10-point ordinal scale (0–100) |
| Shoulder Pain Score28 | SPS | 7 | Items 1–5: four-point ordinal scale; item 6: visual analog pain scale (0–100); item 7: categorical scale, response formats indicating degree of pain radiation |
| Physical function/activity instruments | |||
| Penn Shoulder Score, Function subscale29 | Penn | 20 | 4-point ordinal scale (0–60) |
| L’Insalata Shoulder Rating Questionnaire, daily activities subscale30 | SRQ | 6* | 5-point ordinal scale |
| Simple Shoulder Test31 | SST | 12 | Categorical with yes/no (0–12) |
| American Shoulder and Elbow Surgeons | |||
| Shoulder Outcome Score, activities of daily living subscale32 | ASES | 10 | 4-point ordinal scale (0–40) |
| University of California at Los Angeles Shoulder Score, function subscale33 | UCLA | 1 | Intensity or categorical (1–10) |
| Shoulder Pain and Disability Index, disability subscale26,27 | SPADI | 8 | Visual analog pain scale or 10-point ordinal scale (0–100) |
| Shoulder Function Assessment scale, activities of daily living subscale34 | SFA | 3 | Intensity or categorical (0–20) |
↵* Only items 6–11 were selected as candidates for the OMERACT core measurement instrument set. Abbrev: abbreviation; OMERACT: Outcome Measures in Rheumatology.