Table 3.

Cutoff value, sensitivity, specificity and accuracy of gene expression of miRNA34a, CEA and CA19-9 levels to diagnosis CRC patients CRC patients from non-patients.

	AUC	p	95% C.I	Cutoff	Sensitivity	Specificity	PPV	NPV
Gene expression of micro-RNA 34a	0.983	<0.001*	0.962–1.00	≤5.4	90.0	91.67	84.4	94.8
CEA mg/dl	0.970*	<0.001*	0.940–1.0	>10	90.0	88.33	79.4	94.6
CA19–9 U/ml	0.864*	<0.001*	0.765–0.962	>15	73.33	100.0	100.0	88.2