Baseline description of key outcome variables for the OSPRO validation cohort
| Variable | Label | Overall (n=440) | Neck (n=98) | Low back (n=118) | Shoulder (n=107) | Knee (n=117) |
| SF-8 Physical Component (0–100) | Mean ±SD | 42.7±8.5 | 43.8±7.5 | 40.9±7.8 | 44.7±8.6 | 41.8±9.3 |
| Median (min, max) | 43.7 (22.4, 59) | 44.6 (25.5, 58.2) | 40.1 (25.6, 57.8) | 46.8 (25.3, 58.4) | 42.5 (22.4, 59) | |
| SF-8 Mental Component (0–100) | Mean±SD | 50.9±9.1 | 49.0±9.2 | 50.4±8.9 | 51.1±9.4 | 53.0±8.6 |
| Median (min, max) | 53 (22.6, 68.8) | 51.2 (26, 62) | 51.8 (27.7, 63.7) | 53.8 (22.6, 64.7) | 55.2 (26.8, 68.8) | |
| Pain Intensity (0–10 NRS) | Mean±SD | 4.2±2.0 | 4.3±1.9 | 4.5±1.7 | 4.1±2.1 | 4.0±2.2 |
| Median (min, max) | 4 (0, 9.7) | 4.3 (0, 9) | 4.3 (0.7, 9.7) | 4 (0.3, 9.3) | 3.7 (0, 9) | |
| Neck Disability Index (%) | Mean±SD | 28.6±16.1 | ||||
| Median (min, max) | 24 (2, 76) | |||||
| Oswestry Disability Index (%) | Mean±SD | 28.7±18.2 | ||||
| Median (min, max) | 26 (0, 86) | |||||
| Quick-DASH Score (0–100) | Mean±SD | 38.8±20.1 | ||||
| Median (min, max) | 34.1 (2.3, 97.7) | |||||
| IKDC Score* (0–100) (16 missing) | Mean±SD | 39.6±15.7 | ||||
| Median (min, max) | 39.2 (7.2, 77.3) |
*Indicates missing items with number of subjects for a given variable reported in column.
DASH, Disability of Arm, Shoulder, Hand questionnaire; IKDC, International Knee Documentation Committee Subjective Evaluation Form; NRS, Numeric Rating Scale.