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Mean pain intensity and depressive symptoms of the study population (n = 260).
| Measure | Preoperative score (points, SD) | Postoperative score (points, SD) | |
|---|---|---|---|
| 3 mo | 6 mo | ||
| Mean pain intensity (NRS) | 5.2 (2.4) | 3.3 (2.1) | 3.0 (1.9) |
| Mean depressive symptoms (PHQ9) | 5.0 (2.7) | 2.0 (1.9) | 3.5 (1.8) |
NRS = numeric rating scale; PHQ9 = Patient Health Questionnaire 9-item depression screen.
