Table 2

Helicobacter pylori infection in patients with adenoma and early gastric cancer in relation to the histological type of the cancer

Area infected with H pylori (%)
Histological type of gastric tumoursDiffuseLocalisedNoneTotal (%)
Differentiated adenocarcinoma42  (84)3-150 8  (16)0  (0) 50  (100)
 Well differentiated type 26 (87)3-151 3-152 4 (13)0  (0) 30 (100)
 Moderately differentiated type16 (80)3-153 3-154 4 (20)0  (0) 20 (100)
Undifferentiated adenocarcinoma2 (13)7 (47)6  (40)15 (100)
 Poorly differentiated type1 (20)2 (40)2  (40)5 (100)
 Signet ring cell carcinoma1 (10)5 (50)4  (40)10 (100)
Adenoma13 (93)3-160 1 (7)0  (0)14 (100)
  • 3-150 Significantly different from the value for undifferentiated adenocarcinoma at p<0.0001.

  • 3-151 Significantly different from the value for poorly differentiated adenocarcinoma at p<0.01.

  • 3-152 Significantly different from the value for signet ring cell carcinoma at p<0.0001.

  • 3-153 Significantly different from the value for poorly differentiated adenocarcinoma at p<0.05.

  • 3-154 Significantly different from the value for signet ring cell carcinoma at p<0.01.

  • 3-160 Significantly different from the value for undifferentiated adenocarcinoma at p<0.05.