Endoscopic characteristics of small intestinal malignant tumors observed by balloon-assisted enteroscopy

Table 1 Patients’ characteristics

	Group 1 (epithelial)	Group 2 (malignant lymphoma)	Group 3 (GIST)	P-value
Age (mean ± SD)	62.9 ± 13.7	67.7 ± 7.1	67.0 ± 11.9	0.47
Symptom (%)
Epigastric pain	25.0 (4/16)	27.3 (6/22)	0 (0/6)	0.36
Melena	25.0 (4/16)	13.6 (3/22)	16.7 (1/6)	0.67
Weight loss	6.3 (1/16)	4.5 (1/22)	0 (0/16)	0.82
Other	43.8 (7/16)	54.5 (12/22)	83.3 (5/6)	N/A
Blood test results (mean ± SD)
WBC (/μL)	7712.5 ± 3428.1	6536.4 ± 2858.5	4950.0 ± 1312.6	0.25
Hb (g/dL)	10.7 ± 2.7	11.6 ± 2.1	12.2 ± 2.4	0.63
LDH (IU/L)	201.0 ± 52.1	189.9 ± 49.1	175.0 ± 35.8	0.35

N/A: Not applicable: GIST: Gastrointestinal stromal tumor; WBC: White blood cell count; Hb: Hemoglobin; LDH: Lactate dehydrogenase.