Table 1

The clinical characteristics between all patients with isolated H. pylori strains and the selected patients for analysis of the p-CagA intensity of the strains

Patients with H. pylori cultures (n = 469)

Selected patients for p-CagA analysis (n = 146)

p value*


Age (year [mean ± SD])

48.1 ± 14.2

50.4 ± 16.3

NS

Gender (F/M)

264/205

73/73

NS

Endoscopic diagnosis (year; n(F/M))

Gastritis

- without intestinal metaplasia

44.3; 209 (137/72)

41.2; 31 (18/13)

NS

- with intestinal metaplasia

54.5; 39 (29/10)

57.0; 28 (22/6)

NS

Duodenal ulcer

48.0; 131 (68/63)

46.6; 31 (14/17)

NS

Gastric ulcer

51.3; 64 (17/47)

49.5; 32 (7/25)

NS

Gastric cancer

60.4; 26 (13/13)

60.6; 24 (12/12)

NS


* Either the age or the gender was matched between the 146 selected patients and the entire patients in each sampled groups (Pearson chi-square test for gender & Student's t test for age analysis).

Chuang et al. BMC Microbiology 2011 11:121   doi:10.1186/1471-2180-11-121

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