Efficacy of multi-slice spiral computed tomography in evaluating gastric cancer recurrence after endoscopic submucosal dissection

Table 1 Characteristics of patients with recurrent gastric cancer

Variables	No. (%)
Relapsed patients	735 (53.96)
Non-relapsed patients	627 (46.04)
Sex
Male	695 (51.03)
Female	667 (48.98)
Age (year), mean ± SD	64.7 ± 7.7
Location
Upper	66 (9.75)
Middle	13 (1.92)
Lower	598 (88.33)
Size (cm), mean ± SD	2.8 ± 0.5
Tumor depth
T1a	65 (9.60)
T1b	612 (90.40)
Lymphovascular invasion
Absent	636 (93.94)
Present	41 (6.06)

Table 2 Diagnostic value of electromagnetic navigation bronchoscopy combined with computed tomography in recurrent early gastric cancer

CT	Tissue pathology (Gold standard)		Total
	Positive	Negative
Positive	325	352	677
Negative	410	275	685
Total	735	627	1362

CT: Computed tomography.