TABLE 2.
Multivariable Competing Risk Analysis
| Characteristic | HR (95 % CI) | P |
|---|---|---|
| Local failure | ||
| Smad4 loss tumor* | 2.37 (1.10–5.11) | 0.027 |
| Lymph node ratio | 3.36 (2.02–5.58) | <0.0001 |
| Positive surgical margins | 0.99 (0.48–2.08) | 0.99 |
| Tumor size, cm | 1.10 (0.82–1.47) | 0.52 |
| Distant failure | ||
| Smad4 loss tumor* | 1.71 (1.03–2.83) | 0.037 |
| Lymph node ratio | 0.65 (0.41–1.04) | 0.07 |
| Positive surgical margins | 1.94 (1.20–3.12) | 0.0065 |
| Tumor size, cm | 1.28 (1.04–1.58) | 0.02 |
| Histologic grade 3/4 | 1.14 (0.71–1.84) | 0.59 |
By immunolabeling