Table 2: Biopsy findings related to gastric location of H.  pylori.

Location of HpControl
( )
Duodenal ulcer
( )
OR (95% CI) value*
(%)

Anywhere43 (61.4)129 (84.9)3.52 (1.83–6.76)<0.001
Corpus 35 (50.0)114 (75.0)3.00 (1.66–5.44)<0.001
Incisura 42 (60.0)115 (75.7)2.07 (1.13–3.79)0.017
Antrum 42 (60.0)122 (80.3)2.71 (1.45–5.05)0.001

Hp: Helicobacter pylori; CI: Confidence interval; OR: Odds ratio.