Table 2.

AUC, Sensitivity, and Specificity for Recommended Cutoff Points

Variables	AUC	95% CI	Cutoff Point (Sensitivity, Specificity)
Pain duration (months)	0.674	0.550–0.798	42.0 (65.4%, 66.2%)
Baseline NRS	0.673	0.553–0.793	4.5 (80.8%, 47.7%)
Knee PPT (kPa)	0.868	0.790–0.947	241.5 (81.5%, 84.6%)
Tibia PPT (kPa)	0.849	0.768–0.930	307.5 (83.1%, 73.1%)
Forearm PPT (kPa)	0.754	0.650–0.859	318.5 (64.6%, 76.9%)
Knee TSP (mm)	0.771	0.653–0.889	15.5 (69.2%, 83.0%)
Tibia TSP (mm)	0.662	0.522–0.802	14.0 (53.8%, 89.2%)
Forearm TSP (mm)	0.613	0.472–0.753	16.5 (34.6%, 93.8%)

Abbreviations: AUC, area under the curve; CI, confidence interval; NRS, numerical rating scale; PPT, pressure pain threshold; TSP, temporal summation of pain.