Table 7.
Receiver operating characteristics (ROC) curve analyses for evaluation scores to assess influence on disability from Temporomandibular disorders (TMD)
| AUC (95% CI) | Cut off value | Sensitivity | Specificity | PPV | NPV | LR+ | LR- | Error rate (%) | P value | |
|---|---|---|---|---|---|---|---|---|---|---|
| Average kcals per day |
0.467 (0.318–0.617) |
1511.446 | 0.364 | 0.782 | 0.320 | 0.813 | 1.670 | 0.813 | 31.00 | 0.641 |
| METs |
0.453 (0.315–0.592) |
2.441 | 0.136 | 0.718 | 0.120 | 0.747 | 0.482 | 1.203 | 41.00 | 0.506 |
| Step counts |
0.508 (0.370–0.646) |
6.900 | 0.727 | 0.397 | 0.640 | 0.920 | 1.206 | 0.688 | 15.00 | 0.907 |
| Light PA |
0.636 (0.442–0.708) |
3770.000 | 0.636 | 0.551 | 0.560 | 0.893 | 1.416 | 0.661 | 31.00 | 0.281 |
| Moderate PA |
0.516 (0.375–0.656) |
1409.000 | 0.409 | 0.744 | 0.360 | 0.827 | 1.598 | 0.794 | 29.00 | 0.822 |
| Vigorous PA |
0.643 (0.526–0.761) |
2.500 | 0.864 | 0.487 | 0.760 | 0.960 | 1.684 | 0.279 | 9.00 | 0.041* |
| MVPA |
0.520 (0.379–0.661) |
1447.500 | 0.409 | 0.756 | 0.360 | 0.827 | 1.676 | 0.782 | 29.00 | 0.774 |
AUC, area under the curve; CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value; LR+, positive likelihood ratio; LR-, negative likelihood ratio; METs, metabolic equivalents of task; PA, physical activity; MVPA, moderate to vigorous physical activity
Sensitivity was obtained from TP/(TP + FN) × 100, Specificity was obtained from TN/(TN + FP) × 100, PPV was obtained from TP/(TP + FP) × 100, NPV was obtained from TN/(TN + FN) × 100, Error rate was obtained from (FN + FP)/(TN + TP + FN + FP)
*Significant difference, p < 0.05