Table 2. Analysis of sensitivity/specificity ratio of C3256T heteroplasmy.

Actual state	Area under ROC-curve	Cut-off value of C3256T heteroplasmy level	Sensitivity	Specificity
High predisposition to atherosclerosis	0.625 (95%CI, 0.528–0.722, P = 0.012)	19.5%	63.6%	63.3%
The presence of any atherosclerotic plaque in any visualized carotid segment	0.675 (95%CI, 0.596–0.753, P<0.001)	17.5%	60.7%	63.1%
The presence of CHD	0.604 (95% CI, 0.500–0.707, P = 0.036)	19.5%	60.0%	62.3%
The history of myocardial infarction	0.726 (95%CI, 0.510–0.943, P = 0.042)	22.5%	71.4%	69%