Table 1 Characteristics of the study population
H. pylori-positive | H. pylori-negative | Total | |
|---|---|---|---|
No. of participants (%) | 177 (65.6%) | 93 (34.4%) | 270 |
Number (%) in region | |||
Hanoi | 89 (66.4%) | 45 (33.6%) | 134 |
Ho Chi Minh | 88 (64.7%) | 48 (35.3%) | 136 |
Sex, no. (%) | |||
Female | 101 (66%) | 52 (34%) | 153 |
Male | 76 (65%) | 41 (35%) | 117 |
Age group, no. (%) | |||
≤40 | 67 (57.8%) | 49 (42.2%) | 116 |
≤20 | 6 (66.7%) | 3 (33.3%) | 9 |
21-30 | 24 (53.3%) | 21 (46.7%) | 45 |
31-40 | 37 (59.7%) | 25 (40.3%) | 62 |
> 40 | 110 (71.4%) | 44 (28.6%) | 154 |
41-50 | 62 (71.3%) | 25 (28.7%) | 87 |
51-60 | 30 (69.8%) | 13 (30.2%) | 43 |
>60 | 18 (75.0%) | 6 (25.0%) | 24 |
Mean age (range) | 43.7 (14-83) | 40.2 (18-86) | 42.5 (14-86) |
Disease | |||
Peptic ulcer | 37 | 1 | 38 |
Gastric cancer | 0 | 0 | 0 |
MALT lymphoma | 0 | 0 | 0 |
Chronic gastritis | 177 | 68 | 145 |
Active | 147 | 11 | 158 |
Non-active | 30 | 57 | 87 |
Atrophy | 151 | 53 | 204 |
Intestinal metaplasia | 26 | 5 | 31 |
GERD | 4 | 5 | 9 |
Normal | 0 | 25 | 25 |