Table 2.
Univariate and Multivariate analysis to identify significant factors for LVI.
| Univariate | Multivariate | |||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% Cl) | P | |
| Gender | 0.747* | – | – | |
| female | Reference | – | – | |
| male | 1.12(0.68-1.87) | 0.658 | – | – |
| Age | 0.99(0.96-1.02) | 0.548 | – | – |
| Location | 0.071* | – | – | |
| up | Reference | – | – | |
| middle | 3.77(1.05-26.10) | 0.040 | – | – |
| low | 4.83(1.26-34.60) | 0.019 | – | – |
| CEA | 1.02(0.86-1.21) | 0.811 | – | – |
| SCCA | 1.39(1.05-1.81) | 0.043 | – | – |
| cT stage | NA | NA | – | – |
| cN stage | <0.001* | <0.001* | ||
| N0 | Reference | Reference | ||
| N1 | 1.76(0.99-3.16) | 0.054 | 2.58(1.27-5.37) | <0.001 |
| N2 | 9.43(4.54-20.50) | <0.001 | 10.49(4.39-26.55) | <0.001 |
| N3 | 9.22(2.21-48.70) | 0.002 | 12.44(1.71-114.79) | 0.014 |
| cAJCC | NA | NA | – | – |
| cThick | 3.30 (1.92-5.68) | <0.001 | 4.00(1.92-8.81) | <0.001 |
*Overall P value; OR, odds ratio; CI, confidence interval; cT stage, clinical T stage based on CECT; cN stage, clinical N stage based on CECT; cAJCC, clinical AJCC stage based on CECT; NA, not available. cThick, maximum tumor thickness based on CECT.