Table 2

 Presenting symptoms of patients with and without H pylori infection

H pylori negative n = 160H pylori positive n = 97Information not available
Abdominal pain147/160 (91%)81/95 (85%)2
Retrosternal pain29/84 (35%)16/66 (24%)107
Nausea56/160 (35%)55/90 (61%)7
Vomiting104/160 (65%)46/89 (52%)8
Loss of appetite65/143 (46%)23/72 (32%)42