Table 3. Measures of sensitivity, specificity, accuracy, AUC, and Cut Off values using significantly different metabolite ratios in the four ROI in discrimination of OSAS patients from healthy controls with receiver operating characteristic curve analysis.

	Cut Off	Sensitivity %	Specificity %	Accuracy %	AUC %
Right Thalamus
Glx	1.5	84.6	86.4	85.7	92.3
tCho	0.4	84.6	73.9	77.8	82.3
mI	1.1	81.8	81.0	81.3	84.2
Glu	0.9	92.3	54.5	68.6	74.1
Gln	0.3	100.0	47.6	66.7	77.4
GPC	0.2	61.5	78.3	72.2	67.4
Asc	0.8	63.6	90.9	81.8	75.4
Left Thalamus
tNAA	1.3	61.5	90.5	79.4	82.1
tCho	0.3	84.6	61.9	70.6	72.5
mI	1.1	100.0	72.2	83.9	89.7
NAA	0.9	100.0	61.5	85.7	76.9
Right Putamen
Glx	1.4	69.2	78.9	75.0	78.9
tCho	0.3	71.4	76.2	74.3	76.2
mI	1.2	72.7	88.2	82.1	77.5
Glu	1.1	76.9	84.2	81.3	82.6
GABA	0.3	63.6	84.6	75.0	77.6
Left Putamen
Glx	1.6	83.3	72.2	76.5	84.1
Glu	1.3	83.3	76.9	78.9	78.2
GABA	0.46	100.0	66.7	78.6	86.7
PE	0.95	100.0	80.0	85.7	100.0