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Comparison of three EMG variables in predicting back pain in no-history (N) subjects based on LBOS scores
| Parameters | Cut-off | AUC | 95% CI for AUC | Sensitivity (%) | Specificity (%) | χ2 sig. (p) |
|---|---|---|---|---|---|---|
| IMF (Hz) | 49 | 0.58 | 0.33–0.83 | 50 | 64 | 0.66 |
| MF slope | −0.20 | 0.52 | 0.25–0.79 | 50 | 75 | 0.33 |
| HW (Hz) | 56 | 0.75 | 0.59–0.90 | 66 | 71 | 0.075 |
