Clinical application of oral contrast-enhanced ultrasound in evaluating the preoperative T staging of gastric cancer

Table 3 Comparison of oral contrast-enhanced ultrasound T-stages and pathological T-stages

OCEUS T-stage	No. of cases	Pathological T-stage						Correct diagnosis rate (%)
		T1a	T1b	T2	T3	T4a	T4b
T1a	30	23	7	0	0	0	0	76.66
T1b	33	4	23	6	0	0	0	69.69
T2	94	5	19	59	8	3	0	62.76
T3	296	0	7	22	180	82	5	60.81
T4a	367	0	1	7	14	323	22	88.01
T4b	89	0	0	0	2	8	79	88.76
Summation	909	32	57	94	204	416	106	75.57

OCEUS: Oral contrast-enhanced ultrasound.