Table 2.
Subject demographics
| All subjects (n = 208) |
MRA group (n = 93) |
|||
|---|---|---|---|---|
| Subject characteristics | Mean (SD) | Range | Mean (SD) | Range |
| Age (years) | 42 (14) | 18-81 | 42 (14) | 18-81 |
| Height (cm) | 172 (10) | 147-199 | 172 (10) | 151-198 |
| Weight (kg) | 80.6 (18.0) | 50.3-189.0 | 82.3 (15.8) | 52.7-125.3 |
| Symptom duration (weeks)* | 7 (13) | 0-175 | 7 (13) | 0-175 |
| Worst pain previous 48 hours (100 mm VAS) | 62 (23) | 3-100 | 63 (24) | 3-100 |
| Average pain previous 48 hours (100 mm VAS) | 37 (22) | 1-100 | 37 (24) | 1-100 |
| n (%) | n (%) | |||
| Male gender | 107 (51) | 53 (57) | ||
| Right hand dominant | 110 (53) | 79 (85) | ||
| Dominant arm affected | 110 (53) | 48 (52) | ||
| ACC Claim | 193 (93) | 86 (93) | ||
| Referrals | ||||
| physiotherapist | 203 (98) | 89 (96) | ||
| general practitioner | 5 (2) | 4 (4) | ||
| Employment status | ||||
| in paid employment | 166 (80) | 76 (82) | ||
| on modified duties due to shoulder pain | 18 (9) | 10 (11) | ||
| off work due to shoulder pain | 7 (3) | 4 (4) | ||
| not currently employed/working | 41 (20) | 17 (18) | ||
| Co-existent medical conditions | 70 (34) | 33 (36) | ||
| Current smoker | 39 (19) | 18 (20) | ||
Abbreviations: MRA, magnetic resonance arthrogram; SD, standard deviation; VAS, visual analogue scale: ACC, Accident Compensation Corporation.
*symptom duration was not normally distributed. Figures presented are median (IQ range).