Table 4.
Cox proportional hazard model for survival status
| Univariate | Multivariate | |
|---|---|---|
| Age (y) |
0.99 (0.95-1.03) |
0.99 (0.96-1.04) |
| Lymph node ratio† |
1.08 (1.03-1.13)* |
- |
| Gender |
|
|
| Female |
Reference |
Reference |
| Male |
2.49 (0.69-9.06) |
1.16 (0.28-4.81) |
| Location of tumor |
|
|
| Colon |
Reference |
- |
| Rectum |
1.06 (0.36-3.16) |
- |
| Depth of invasion |
|
|
| T1/T2 |
Reference |
Reference |
| T3 |
2.15 (0.46-10.12) |
3.9 (0.62-24.42) |
| T4 |
0.70 (0.12-4.17) |
0.76 (0.11-5.36) |
| Stage |
|
|
| I |
Reference |
- |
| II |
0.81 (0.08-7.75) |
- |
| III |
3.67 (0.47-29.00) |
- |
| Tumor grade |
|
|
| I |
Reference |
- |
| II |
0.93 (0.12-7.31) |
- |
| III |
0.81 (0.07-9.03) |
- |
| Upstage |
|
|
| N0(i+) |
10.28 (1.44-73.34)* |
20.32 (2.09-197.98)* |
| N0 |
Reference |
Reference |
| N+ |
7.93 (1.71-36.83)* |
10.06 (2.04-49.58)* |
| HE examination |
|
|
| Negative |
Reference |
- |
| Positive |
4.82 (1.48-15.70)* |
- |
| SLN examination |
|
|
| Negative |
Reference |
- |
| Positive | 1.50 (0.33-6.84) | - |
HE, hematoxylin-eosin; SLN, sentinel lymph node.
Dash denotes variables were not included in the final model.
* Indicates p < 0.05.
† Ratio values were multiplied by 100.