Table 3. Risk Factors for submucosa invasive early gastric cancer among overall patients.
| Univariate analysis | Multivariate analysis | |||||||
|---|---|---|---|---|---|---|---|---|
| Variables | P-value | Odds ratio | 95% CI | P-value | Odds ratio | 95% CI | ||
| Lower | Upper | Lower | Upper | |||||
| Proximal location | <0.001 | 4.491 | 2.729 | 7.391 | <0.001 | 3.541 | 2.053 | 6.110 |
| Flat or Depressed | 0.013 | 1.841 | 1.137 | 2.980 | 0.195 | 1.446 | 0.828 | 2.526 |
| Ulcer | 0.684 | 0.884 | 0.488 | 1.601 | 0.832 | 1.075 | 0.550 | 2.099 |
| Undifferentiated type | <0.001 | 2.457 | 1.507 | 4.006 | 0.367 | 1.507 | 0.619 | 3.672 |
| Size* | ||||||||
| 20≤ <30 | <0.001 | 2.870 | 1.624 | 5.074 | 0.012 | 2.196 | 1.190 | 4.054 |
| ≥30 | <0.001 | 5.679 | 3.301 | 9.769 | <0.001 | 3.388 | 1.844 | 6.225 |
| Diffuse type | 0.004 | 2.213 | 1.289 | 3.799 | 0.930 | 0.957 | 0.358 | 2.559 |
| Lymphovascular invasion | 0.006 | 4.515 | 1.533 | 13.299 | <0.001 | 4.885 | 1.516 | 15.745 |
*Compared with size <20mm
CI, confidence interval