Table 2. Comparing NLR between patient groups with different cancer stages.

Sen: Sensitivity; Spec: Specificity; PPV: Positive predictive value; NPV: Negative predictive value.

Colorectal Cancer		Mean	SD	Median	p-value	Cut-off value	Sen	Spec	PPV	NPV	Accuracy
Tumor depth	T1-T2	2.6	1.8	2.3	P < 0.001	2.6	82.7%	56.1%	82.7%	56.1%	75.2
	T3-T4	5.8	13.1	4.8
Lymph node invasion	N0	3.5	4.9	3.3	P = 0.07	3.3	64.3%	48.2%	62.1%	50.6%	57.4
	N1-N2	5.7	14.2	4.8
Distant organ metastasis	M0	4.5	9.7	3.8	P = 0.24	3.1	83.3%	40.3%	4.1%	98.7%	41.5
	M1	14.2	32.1	24.4