Table 4.

ROC curve.

	miR-155	miR-21
AUC	0.775	0.832
Std. error	0.046	0.037
95% CI	0.685∼0.865	0.760∼0.904
P	0.001	0.001
Cutoff	0.780	0.931
Sensitivity (%)	67.31	86.42
Specificity (%)	78.57	71.43