Table 4.
Univariable Analyses: The association between level of pre-operative disability and each independent variable
| Independent variables | DF | R-Square | F | P value |
| Binominal factor of man/woman | 1 | 0.033 | 5.85 | 0.017 |
| Age | 1 | 0.014 | 2.38 | 0.125 |
| BMI | 2 | 0.015 | 0.26 | 0.288 |
| Comorbidity | 1 | 0.0005 | 0.09 | 0.769 |
| Mechanism of injury | 3 | 0.0158 | 0.75 | 0.524 |
| Hand dominance | 1 | 0.0033 | 0.31 | 0.735 |
| Affected side | 2 | 0.0327 | 3.06 | 0.049 |
| Side operated on | 1 | 0.0001 | 0.02 | 0.894 |
| Symptoms duration | 1 | 0.0069 | 1.26 | 0.264 |
| Combined painfree ROM | 1 | 0.305 | 72.69 | < 0.0001 |
| Strength (operated side) | 1 | 0.120 | 22.19 | < 0.0001 |
| Smoking | 1 | 0.025 | 4.27 | 0.040 |
| Concurrent Osteoarthritis (Glenohumeral arthritis/humeral head migration) | 1 | 0.001 | 0.24 | 0.627 |
| Repair vs. no repair | 1 | 0.006 | 0.97 | 0.325 |
| Size of full-thickness tear (Small, moderate, large) | 2 | 0.003 | 0.15 | 0.864 |
| Use of medication | 1 | 0.030 | 5.16 | 0.024 |
| Work status (active work-related injury) | 1 | 0.071 | 12.91 | 0.0004 |
| Participation limitation | 2 | 0.396 | 55.19 | < 0.0001 |
| Expectations with respect to improved pain | 1 | 0.004 | 0.07 | 0.7895 |
| Expectations with respect to improved ROM | 2 | 0.024 | 2.05 | 0.1326 |
| Expectations with respect to improved ADL | 2 | 0.093 | 8.46 | 0.0003 |
| Expectations with respect to improved interaction and providing care | 2 | 0.119 | 11.03 | < 0.0001 |
| Expectations with respect to return to work | 3 | 0.142 | 6.74 | < 0.0001 |
| Expectations with respect to return to sports | 2 | 0.021 | 1.77 | 0.173 |
| Expectations with respect to achieving full recovery | 2 | 0.014 | 1.18 | 0.311 |