Table 6.

RoC Curve Analysis for the diagnosis of patients with EOA or LOA

Parameter	EOA			LOA
	COMP	HA	PIICP	COMP	HA	PIICP
Sensitivity	47.7	50.0	52.7	49.2	47.5	96.2
Specificity	68.4	65.8	73.7	78.9	76.3	92.1
Youden Index	0.162	0.158	0.2596	0.282	0.240	0.8826
AUC	0.558	0.555	0.596	0.609	0.578	0.980
p-value	> 0.05	> 0.05	> 0.05	< 0.05	> 0.05	< 0.0001
95% CI	0.444–0.668	0.441–0.665	0.482–0.703	0.531–0.684	0.500–0.654	0.945–0.995

EOA Early Osteoarthritis, LOA Late Osteoarthritis, AUC Area Under Curve, CI Confidence interval