Table 4 Multivariate logistic regression analysis of the training set.
Variables | CR (n = 385) | NCR (n = 70) | Total (n = 455) | p value | Odds ratio | 95% CI |
|---|---|---|---|---|---|---|
Ulceration | 39 (10.1%) | 22 (31.4%) | 61 (13.4%) | < 0.01 | 3.779 | 1.861–7.672 |
Fold concentration | 16 (4.2%) | 9 (12.9%) | 25 (5.5%) | < 0.01 | 3.934 | 1.468–10.544 |
Remarkable redness | 26 (6.7%) | 15 (21.4%) | 41 (9.0%) | < 0.01 | 3.453 | 1.556–7.664 |
Marginal elevation | 37 (9.6%) | 15 (21.4%) | 52 (11.4%) | < 0.05 | 2.333 | 1.058–5.146 |
Spontaneous bleeding | 11 (2.9%) | 5 (7.1%) | 16 (3.5%) | > 0.05 | ||
Whitish mucosal change | 21 (5.5%) | 9 (12.9%) | 30 (6.6%) | < 0.05 | 2.850 | 1.077–7.539 |
Size (mm) | ||||||
≤ 20 | 192 (49.9%) | 17 (24.3%) | 209 (45.9%) | < 0.01 | 1 | |
20–30 | 131 (34.0%) | 28 (40.0%) | 159 (34.9%) | 2.463 | 1.203–5.043 | |
> 30 | 62 (16.1%) | 25 (35.7%) | 87 (19.1%) | 3.368 | 1.543–7.351 | |
Tumor location | ||||||
Lower 1/3 of stomach | 206 (53.5%) | 25 (35.7%) | 231 (50.8%) | < 0.01 | 1 | |
Upper 1/3 of stomach | 23 (6.0%) | 14 (20.0%) | 37 (8.1%) | 1.792 | 0.941–3.410 | |
Mid 1/3 of stomach | 156 (40.5%) | 31 (44.3%) | 187 (41.1%) | 8.609 | 3.488–21.247 | |
Hp infection | 52 (13.5%) | 16 (22.9%) | 68 (14.9%) | < 0.05 | 2.175 | 1.053–4.492 |