Table 2 Characteristics of the study population with Helicobacter pylori infection
From: Advanced non-cardia gastric cancer and Helicobacter pylori infection in Vietnam
| Â | H. pylori positive | H. pylori negative | Total | ||
|---|---|---|---|---|---|
Total | Past infection | Current infection | |||
Participants | 224 (79.4%) | 57 (25.4%) | 167 (74.6%) | 58 (20.6%) | 282 |
Mean age | 62.07 ± 12.32 | 60.42 ± 10.86 | 62.63 ± 12.77 | 63.69 ± 13.89 |  |
City | |||||
 Ho Chi Minh | 149 (80.5%) | 39 (26.2%) | 110 (73.8%) | 36 (19.5%) | 185 |
 Hanoi | 75 (77.3%) | 18 (24%) | 57 (76%) | 22 (22.7%) | 97 |
Sex | |||||
 Male | 177 (78.7%) | 46 (25.9%) | 131 (74.1%) | 48 (21.3%) | 225 |
 Female | 47 (82.5%) | 11 (23.4%) | 36 (76.6%) | 10 (17.5%) | 57 |
Smoking | |||||
 Yes | 133 (80.1%) | 37 (27.5%) | 96 (72.5%) | 33 (19.9%) | 166 |
 No | 90 (82.6%) | 20 (22.2%) | 70 (77.8%) | 19 (17.4%) | 109 |
Drinking | |||||
 Yes | 124 (81.16%) | 35 (28.2%) | 89 (71.8%) | 18 (18.4%) | 152 |
 No | 99 (80.5%) | 22 (22.2%) | 77 (77.8%) | 24 (19.5%) | 123 |
Lauren classification | |||||
 Intestinal type | 85 (72.0%)a | 20 (23.5%) | 65 (76.5%) | 33 (28.0%) | 118 |
 Diffuse type | 132 (84.6%)a | 35 (26.5%) | 97 (73.5%) | 24 (15.4%) | 156 |
 Indeterminate | 7 (87.5%) | 2 (28.6%) | 5 (71.4%) | 1 (12.5%) | 8 |