Table 7.

Results of ROC analysis for salivary XO specific activity in relation to cognitive function status in ACE III scale in NWS.

	Cut off	AUC	95% CI	Sensitivity %	95% CI	Specificity %	95% CI
Normal cognition vs. mild CI	> 50.79	0.688	0.42 - 0.95	62.5	38.64% - 81.52%	75	30.06% - 98.72%
Normal cognition vs. moderate CI	> 62.22	1	1 - 1	100	72.25% - 100%	100	51.01% - 100%
Mild CI vs. moderate CI	> 65.86	0.988	0.95 - 1	100	72.25% - 100%	93.75	71.67% - 99.68%

AUC, the area under the curve; CI, confidence interval; mild CI, mild cognitive impairment; moderate CI, moderate cognitive impairment.