Table 2.
Comparison with the Control Group
| Interval cancer group (n=16) | Control group (n=32) | p-value | |
|---|---|---|---|
| Age, yr | 60.68±8.84 | 53.53±7.08 | 0.033 |
| Male sex | 8 (50.0) | 18 (56.3) | NS |
| Previous history of gastric surgery | 0 | 0 | NS |
| Previous history of gastric ulcer | 2 (12.5) | 3 (9.4) | NS |
| Previous history of H. pylori infection | 4 (25.0) | 7 (21.9) | NS |
| Smoking status | NS | ||
| Current | 2 (12.5) | 2 (6.3) | |
| Ex | 3 (18.8) | 8 (25.0) | |
| None | 11 (68.7) | 22 (68.7) | |
| Alcohol ingestion* | 2 (12.5) | 5 (15.6) | NS |
| Family history of gastric cancer | 2 (12.5) | 3 (9.4) | NS |
| Interval time, mo | 19.64±7.51 | 20.93±8.71 | NS |
| Screening EGD | |||
| Procedure time, sec | 237±54.24 | 231.84±88.01 | NS |
| Atrophic gastritis | 9 (52.9)† | 3 (9.4) | 0.001 |
| Intestinal metaplasia | 3 (17.6)† | 5 (15.6) | NS |
| Single erosion | 3 (17.6)† | 4 (12.5) | NS |
| Biopsy frequency | 1.46±1.89 | 1.04±1.55 | NS |
Data are presented as mean±SD or number (%).
NS, not significant; H. pylori, Helicobacter pylori; EGD, esophagogastroduodenoscopy.
*
Alcohol ingestion in excess of 40 g/day for more than 3 years;
†
% was calculated based on the number of lesions (n=17).