Assessment and diagnostic accuracy of lymph node status to predict stage III colon cancer using computed tomography

Table 2 Sensitivity, specificity, PPV and NPV (%) for the different CT characteristics of lymph nodes > 4 mm in shortest diameter

Variables	Number	Sensitivity	Specificity	PPV	NPV	OR	p-value
Size ≥5 mm	287	90	31	39	86	1.33	0.002
Size ≥10 mm	29	28	90	58	72	2.67	0.009
Ratio cut off 0.8	244	85	30	37	80	2.36	0.090
Internal heterogeneity (IH)	94	79	84	70	89	20.0	<0.001
Irregular outer border (IOB)	73	59	81	61	82	6.23	<0.001
IH and/or IOB	67	85	75	62	91	16.5	<0.001
HU ≥50	396	95	20	37	89	4.63	0.049
HU ≥100	81	44	68	40	71	1.60	0.239
Cluster of three	14	13	89	36	68	1.16	0.803

ISSN: 1470-7330