Baseline demographics
| Rotator cuff repair | Placebo surgery | |
| Age (years), mean (SD) | ||
| Gender (female/male), n (%) | ||
| Dominant side affected, n (%) | ||
| Previous symptoms, n (%) | ||
| No pain ever | ||
| Pain in shoulder at any point of time | ||
| Pain during the past year | ||
| Smoking habits, n (%) | ||
| Smoking | ||
| Non-smoking | ||
| Occupation | ||
| Mechanism of injury, n (%) | ||
| Stretch | ||
| Pull | ||
| Fall | ||
| Impact | ||
| Energy of injury, n (%) | ||
| <Fall from own height | ||
| >Fall from own height | ||
| Duration of symptoms (days/weeks from the trauma to the operation), mean (SD) | ||
| Working status, n (%) | ||
| Student | ||
| Unemployed | ||
| Retired | ||
| On sick leave | ||
| Disability pension | ||
| Working | ||
| Treatments after the trauma, n (%) | ||
| Injections | ||
| Physiotherapy | ||
| Pain killers | ||
| Outcome measures | ||
| Pain NRS (0–10) at night, mean (SD) | ||
| Pain NRS (0–10) at rest, mean (SD) | ||
| Pain NRS (0–10) during activity, mean (SD) | ||
| WORC (WORC %-index 0%–100%) | ||
| Physical symptoms, mean (SD) | ||
| Sports/recreation, mean (SD) | ||
| Work, mean (SD) | ||
| Lifetime, mean (SD) | ||
| Emotions, mean (SD) | ||
| Total %-index, mean (SD) | ||
| Constant-Murley Score, mean (SD) | ||
| Pain | ||
| Activities of daily living | ||
| Range of motion | ||
| Shoulder power | ||
| Total score | ||
| 15D | ||
| Stanford Expectations of Treatment Scale | ||
| Hospital Anxiety and Depression Scale |
NRS, Numerical Rating Scale; WORC, Western Ontario Rotator Cuff Index; 15D, 15 dimensions.