Early Diagnosis of Helicobacter pylori Infection in Vietnamese Patients with Acute Peptic Ulcer Bleeding: A Prospective Study

Table 3

The characteristics of patients in groups A and B.

Characteristics	Group A; (); (%)	Group B; (); (%)
Age (mean ± SD)			0.696
Male	84 (75.7)	47 (78.3)	0.695
Prior history of gastroduodenal ulcers	28 (25.2)	14 (23.3)	0.784
Prior history of H. pylori eradication	8 (7.2)	4 (6.7)	1.000
Medical use before admission
NSAIDs	28 (25.2)	15 (25.0)	0.974
PPIs within 2 weeks	21 (18.9)	7 (11.7)	0.221
Antibiotics within 4 weeks	10 (9.0)	3 (5.0)	0.547
Hemodynamic instability at admission (heart rate > 100 beats per minute or systemic blood pressure < 100 mmHg)	29 (26.1)	18 (30.0)	0.219
Preendoscopic PPIs use
High-dose, intravenous	89 (80.2)	44 (73.3)	0.136
Low-dose, intravenous	6 (5.4)	2 (3.3)
Oral	3 (2.7)	0 (0)
None	13 (11.7)	14 (23.3)
Timing of endoscopy
<12 h	84 (75.7)	54 (90.0)
12–24 h	13 (11.7)	3 (5.0)	0.077
>24 h	14 (12.6)	3 (5.0)
Presence of blood in endoscopy	52 (46.8)	23 (38.3)	0.284
Location of ulcer
Gastric	49 (44.1)	24 (40.0)	0.763
Duodenal	54 (48.6)	30 (50.0)
Gastric and duodenal	8 (7.2)	6 (10.0)
Endoscopic stigmata
Spurting	1 (0.9)	0 (0)	0.448
Oozing	13 (11.7)	6 (10.0)
Visible vessel	20 (18.0)	5 (8.3)
Adherent clot	33 (29.7)	23 (38.3)
Red spot	12 (10.8)	5 (8.3)
Clean-based	32 (28.8)	21 (35.0)
H. pylori-positive rates	109 (98.2)	52 (86.7)	0.004