Table 2.
Participant characteristics, study phase
| Affected shoulders (n=13) | Normal shoulders (n=27) | P value | |
| Sex (women/men) | 8/5 | 21/6 | 0.28 |
| Age (years), mean (SD) | 28 (9) | 29 (7) | 0.72 |
| Weight (kg),* mean (SD) | 71.0 (12.8) | 74.9 (23.4) | 0.59 |
| Height (cm), mean (SD) | 174.0 (8.6) | 173.4 (7.9) | 0.82 |
| Pain, rest (NPRS 0–10), mean (SD) | 1.08 (1.44) | 0.41 (1.15) | 0.12 |
| Pain, activity (NPRS 0–10), mean (SD) | 4.23 (2.92) | 1.44 (2.12) | <0.05 |
| Shoulder injury ever, n (%) | 8 (62) | 1 (4) | <0.001 |
| Subjective shoulder instability, n (%) | 9 (69) | 3 (11) | <0.001 |
| Sports-related activity (>4 hours/week), n (%) | 12 (92) | 20 (74) | 0.18 |
| WOSI domains, mean (SD) | |||
| Physical symptoms (0–1000) | 225 (165) | 60 (78) | <0.05 |
| Sports, recreation, work (0–400) | 103 (93) | 24 (47) | <0.05 |
| Lifestyle (0–400) | 58 (57) | 13 (21) | <0.05 |
| Emotions (0–300) | 121 (94) | 39 (49) | <0.05 |
| WOSI total score (0–2100), mean (SD) | 506 (362) | 136 (174) | <0.001 |
*Significance level P<0.05.
NPRS, Numeric Pain Rating Scale; WOSI, Western Ontario Shoulder Instability.