Clinical importance of colonoscopy in patients with gastric neoplasm undergoing endoscopic submucosal dissection

Table 4 Analysis of risk factors related to colorectal neoplasm in gastric endoscopic submucosal dissection patients n (%)

	CRN group (n = 80)	Non-CRN group (n = 78)	P value
Gender, male/female	71 (88.8)/9 (11.3)	59 (75.6)/19 (24.4)	0.031
Age (yr, mean ± SD)	70.8 ± 8.3	68.9 ± 10.4	0.215
Histopathology (adenoma/carcinoma)	69 (86.3)/11 (13.8)	70 (89.7)/8 (10.3)	0.667
Tumor size (mm, mean ± SD)	19.3 ± 12.3	19.0 ± 17.2	0.926
Tumor location
U	17 (21.3)	16 (20.5)	0.999
M	33 (41.3)	28 (35.9)	0.598
L	30 (37.5)	34 (43.6)	0.538
BMI	23.3 ± 3.3	22.7 ± 2.8	0.219
Lifestyle related disease1	16 (20.0)	13 (16.7)	0.737
Smoking	55 (68.8)	45 (57.7)	0.202
Alcohol	41 (51.3)	33 (42.3)	0.334
History of other organs’ cancer	16 (20.0)	9 (11.5)	0.215

¹The lifestyle related disease is one that is suffering from two or three of hypertension and dyslipidemia and diabetes mellitus. ESD: Endoscopic submucosal dissection; CRN: Colorectal neoplasm; BMI: body mass index.