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Effect of Patient Resilience and the Single Assessment Numeric Evaluation (SANE) Score on Return to Sport Following Anterior Cruciate Ligament Reconstruction Surgery.

Background
This study aims to determine the effect of resilience, as measured by the Brief Resilience Scale (BRS), and perceived self-efficacy of knee function, as measured by the Single Assessment Numeric Evaluation (SANE) score on return to sport outcomes following ACL Reconstruction (ACLR) surgery.


Methods
Seventy-one patients undergoing ACLR surgery were followed up for a minimum of one year. At six-months post-op, ACLR patients completed the BRS and the SANE score. Patients were stratified into low, normal, and high resilience groups, and outcome scores were calculated.


Results
The median return to sports participation, in months post-operatively, for the low, normal, and high resiliency groups were 7.1, 7.3, and 7.2 months, respectively (P=0.78). A multiple logistic regression analysis revealed that the SANE score was a significant predictor of return to sport at nine months when adjusted for age, sex, and BRS score (P=0.01). Patients that returned to sport by nine months demonstrated a mean SANE score of 92.7, compared to a mean of 85.7 (P=0.08). In patients who had returned to sport, neither the BRS resilience group nor the SANE score were significant predictors of the returned level of competition status (P=0.06; P=0.18).


Conclusion
The SANE score may serve as a significant predictor of return to sport when adjusted for age, sex, and BRS score. Resilience, as measured by the BRS, was not significantly associated with return to sport, but may have utility in specific patient populations.