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

Table 4

RUT results with specimens taken from different biopsy sites.

Biopsy sites	H. pylori-positive cases; (%)
Single biopsy site
1 (midantrum, greater curvature)	93 (83.8)
2 (low-corpus, greater curvature)	100 (90.1)
3 (midcorpus, greater curvature)	95 (85.6)
Two biopsy sites (combined results)
1 & 2	108 (97.3)
1 & 3	105 (94.6)
2 & 3	106 (95.5)
Three biopsy sites (combined result)
1, 2, and 3	109 (98.2)