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

Table 1

Preoperative T staging and histological results after surgeries.

CT stage		Histological stage				Rate
		T0-1 ()	T2 ()	T3 ()	T4 ()	Accuracy (%)	Sensitivity (%)	Specificity (%)	T3	T4
A	T0-1	7	2	0	0	91.5	63.6	96.7	0.004	0.004
	T2	4	7	0	1	83.1	50.0	91.2
	T3	0	5	13	3	83.1	76.5	87.5
	T4	0	0	4	25	88.7	86.2	90.5
B	T0-1	6	1	0	0	91.5	54.5	98.3
	T2	5	8	1	0	83.1	57.1	89.5
	T3	0	5	8	8	69.0	47.1	75.9
	T4	0	0	8	21	77.5	72.4	81.0

The overall accuracy of group A was better than that of group B (, ). The T3 and T4 staging showed identical results (, ).