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Bivariate correlations between distress scales and baseline shoulder pain and function scores
| Baseline scores | Modified Zung Depression Scale | Modified Somatic Perceptions Questionnaire |
|---|---|---|
| VAS pain | R = 0.334 | R = 0.247 |
| p = 0.002 | p = 0.03 | |
| Simple Shoulder Test | R = −0.314 | R = −0.188 |
| p = 0.003 | p = 0.09 | |
| American Shoulder and Elbow Surgeons score | R = −0.406 | R = −0.252 |
| p < 0.001 | p = 0.02 |
