Endoscopic finding

Anti H. pylori IgG^** mean ± SD

Anti H. pylori IgA mean ± SD

Normal

39.25 ± 28.4

1.56 ± 0.15

Antral gastritis

70.05 ± 35.2

2.09 ± 1.58

Duodenal ulcer

88.86 ± 42.0

1.76 ± 1.29

Duodenitis

54.67 ± 24.1

0.87 ± 0.41

GERD

40.00 ± 13.8

1.58 ± 1.04

Atrophic gastritis

39.17 ± 25.5

1.22 ± 0.39