Table 2.
Results of Cox regression analysis of the association between overall survival rates, and perineural invasion, lymphovascular invasion, and disease stage in 386 patients with non-metastatic presentation
| Variable | P | Overall survival |
|---|---|---|
| |
|
HR (95% CI) |
|
Adjuvant Treatment |
0.01 |
|
| No |
|
1 |
| Yes |
|
0.4 (0.26 to 0.6) |
|
Perineural invasion |
0.043 |
|
| Absent |
|
1 |
| Present |
|
1.67 (1.08 to 2.78) |
|
Lymphovascular invasion |
0.021 |
|
| Absent |
|
1 |
| Present |
|
2.8 (1.2 to 6.6) |
|
Stage |
0.001 |
|
| Stage I |
|
1 |
| Stage II |
|
1.4 (1.09 to 1.71) |
| Stage III |
|
3 (1.57 to 5.87) |
| ≤70 years |
0.03 |
1 |
| >70 years | 1.27(1.17 to 1.48) |
CI, confidence interval; HR; hazard ratio.