Table 3.
Comparison of Preoperative Patient-Reported Outcomes and Self-Reported Psychological Diagnoses Between Shoulder Instability Patients Either With or Without Comorbid Back Paina
| No Back Pain | Back Pain | P | |
|---|---|---|---|
| Shoulder-related scores | |||
| ASES | 67.1 ± 20.0 | 57.0 ± 20.2 | <.001 |
| WOSI | 1168.5 ± 404.9 | 1389.4 ± 366.1 | <.001 |
| Marx Shoulder Activity | 13.3 ± 4.4 | 12.6 ± 4.9 | .09 |
| SANE | 47.3 ± 23.8 | 39.0 ± 23.0 | <.001 |
| VAS Pain | 2.7 ± 2.4 | 3.9 ± 2.4 | <.001 |
| RAND-36 PCS | 46.7 ± 8.1 | 44.0 ± 7.7 | <.001 |
| Mental health scores | |||
| RAND-36 MCS | 51.5 ± 10.0 | 47.5 ± 11.7 | <.001 |
| PAS | 26.6 ± 25.7 | 38.8 ± 29.1 | <.001 |
| Iowa Quick Screen | 1.1 ± 1.9 | 1.6 ± 1.9 | .007 |
| Self-reported mental health diagnosis, n (%) | 31 (3.7) | 24 (15.2) | <.001 |
| Preoperative expectations score | 4.6 ± 0.6 | 4.4 ± 0.7 | <.01 |
aValues are expressed as mean ± SD unless otherwise noted. AKSS, American Knee Society Score; MCS, Mental Component Score; PAS, Personality Assessment Screener; PCS, Physical Component Score; RAND-36, RAND 36-Item Health Survey; SANE, Single Assessment Numeric Evaluation; VAS, visual analog scale; WOSI, Western Ontario Shoulder Instability Index.