T and N Staging of Gastric Cancer Using Dual-Source Computed Tomography

Table 2

Preoperative N staging and histological results after surgeries.

CT stage		Histological stage				Rate
		N0 ()	N1 ()	N2 ()	N3 ()	Accuracy (%)	Sensitivity (%)	Specificity (%)
A	N0	20	4	0	0	87.3	80.0	91.3	0.125
	N1	3	9	4	1	80.3	60.0	85.7
	N2	2	2	9	2	81.7	56.3	89.1
	N3	0	0	3	12	91.5	80.0	94.6
B	N0	18	4	0	0	84.5	72.0	91.3
	N1	5	9	5	1	76.1	60.0	80.4
	N2	2	2	8	3	78.9	50.0	87.3
	N3	0	0	3	11	90.1	73.3	94.6

No statistically significant differences in overall accuracies were found between groups A and B ().