Table 1. The Basic Characteristics of Enrolled Individuals.
| Upper GI endoscopy finding |
|||||
|---|---|---|---|---|---|
| Normal (n = 2,642, 67.3%) | Gastroduodenitis/peptic ulcer disease (n = 1,202, 30.6%) | Upper GI malignancies (n = 82, 2.1%) | Total (n = 3,926) | P-value | |
| Age (years) | 47.5 ± 15.7 | 54.6 ± 14.3 | 64.6 ± 13.5 | 50.3 ± 16.2 | 0.001a |
| Gender | |||||
| Male | 1,134 (42.9%) | 644 (53.6%) | 58 (70.7%) | 1,836 (46.8%) | 0.001b |
| Female | 1,508 (57.1%) | 558 (46.4%) | 24 (29.3%) | 2,090 (53.2%) | |
| H. pylori infection | |||||
| Positive | 296 (17.1%) | 522 (43.4%) | 12 (17.1%) | 421 (28.4%) | 0.001b |
| Excluded numbers | 906 | 90 | 12 | ||
| Alarm features | |||||
| GI bleeding | 49 (1.9%) | 104 (8.7%) | 20 (24.4%) | 173 (4.4%) | 0.001b |
| Body weight loss | 53 (2.0%) | 38 (3.2%) | 24 (29.3%) | 115 (2.9%) | 0.001b |
| Dysphagia | 4 (0.2%) | 2 (0.2%) | 12 (14.6%) | 18 (0.5%) | 0.001b |
| At least one alarm feature | 102 (3.9%) | 138 (11.5%) | 50 (60.1%) | 290 (7.4%) | 0.001b |
aKruskal-Wallis one-way ANOVA test. bPearson’s Chi-square test. Sixteen patients had more than one alarm features.