Table 4.

ROC analysis of clinical risk assessment tools for Τ-score≤-2.0 and Τ-score>-2.0.

	AUC	SE	95% CI		p-value	Cut-off point	Sensitivity	Specificity	PPV	NPV
SCORE*	0.658	0.035	0.59	0.73	<0.0005	8.5	64%	56%	43%	75%
ORAI Score*	0.652	0.037	0.58	0.72	<0.005	9.0	63%	63%	47%	76%
ABONE Score*	0.603	0.038	0.53	0.68	0.007	1.5	43%	78%	50%	72%
OST Score†	0.673	0.034	0.61	0.74	<0.005	1.05	50%	75%	51%	74%
Osiris Score†	0.680	0.034	0.61	0.75	<0.005	1.50	55%	70%	48%	75%
Osiris Adjusted Score†	0.658	0.035	0.59	0.73	<0.005	1.50	56%	65%	46%	75%

AUC: Area Under the Curve, SE: standard error, CI: confidence interval.

^*Larger values of the test result variable indicate stronger evidence for Τ-score≤-2.0.

^†Smaller values of the test result variable indicate stronger evidence for Τ-score≤-2.0.