Table 3.

ROC curve for the screening performance of mtDNA-CN and sPGI/II

	AUC	SE	95% CI	p value	Cut-off	Sensitivity (%)	Specificity (%)
mtDNA-CN
GC vs. non-GC	0.71	0.04	0.63, 0.78	<0.001	3.33	64	70
GC vs. CG	0.64	0.05	0.55, 0.74	0.003
GC vs. NM	0.77	0.04	0.69, 0.85	<0.001	2.92	72	72
CG vs. NM	0.65	0.04	0.57, 0.72	<0.001
PGI/II
GC vs. non-GC	0.74	0.43	0.65, 0.82	<0.001	7.55	63	66
GC vs. CG	0.68	0.05	0.58, 0.79	0.001
GC vs. NM	0.79	0.04	0.70, 0.87	<0.001	8.16	66	70
CG vs. NM	0.65	0.04	0.57, 72	<0.001