Clinical characteristics of acute non-varicose upper gastrointestinal bleeding and the effect of endoscopic hemostasis

Table 1 Clinical characteristics of the included patients

Items		Number	Percentage
Sex	Men	396	74.44
	Women	136	25.56
Age (yr)	Young group (age < 40)	139	26.13
	Middle-aged group (age < 60 but ≥ 40)	221	41.54
	Elderly group (age ≥ 60)	172	32.33
Chief complaint	Melena	232	43.60
	Hematemesis	146	27.40
	Both hematemesis and melena	90	17.00
	Abdominal pain	32	6.00
	Atypical complaints (dizziness, weakness)	32	6.00
Hemoglobin levels	Hb ≤ 30 g/L	8	1.50
	Hb 30-60 g/L	58	10.90
	Hb 60-90 g/L	203	38.20
	Hb 90-120 g/L	134	25.20
	Hb ≥ 120 g/L	129	24.20
Precipitating factor	Drugs	129	24.20
	Alcohol	84	15.80
	Diet	15	2.80
	Psychological factors	21	4.00
	No precipitating factor	283	53.20

Table 2 Relationship between acute non-varicose upper digestive hemorrhage pathogenesis and age group

Age group	Drugs	Alcohol	Diet	Psychological factors
Young group	6	51	7	7
Middle-aged group	36	28	3	9
Elderly group	86	6	5	5
χ2	76.563	35.741	1.600	1.143
P value	0.000	0.000	0.449	0.565

Table 3 Relationship between acute non-varicose upper digestive hemorrhage etiology and age group

Age group	Duodenal ulcer	Gastric ulcer	Complex ulcer	Cancer	Acute gastric mucosal lesions
Young group	75	18	20	2	23
Middle-aged group	101	48	27	8	25
Elderly group	37	50	6	48	5
χ2	29.183	16.621	12.943	64.690	13.736
P value	0.000	0.000	0.002	0.000	0.001

Table 4 Statistics of rebleeding after acute non-varicose upper digestive hemorrhage endoscopic hemostasis

	Number	Percentage
Rebleeding was recorded within 72 h after endoscopic treatment	7	10.9
Rebleeding was recorded 72 h after endoscopic treatment	4	6.3
No further bleeding after endoscopic treatment	53	82.8