Predictors | OR (95% CI) | P-value |
---|---|---|
Ever-smoker | Reference | 0.003 |
Never-smoker | 3.6 (1.55 to approximately 8.34) | |
Tumor length >3 cm | Reference | 0.001 |
Tumor length ≦3 cm | 4.85 (1.84 to approximately 12.76) | |
Age ≦55 y/o | Reference | 0.035 |
Age >55 y/o | 1.95 (1.05 to approximately 3.64) |