Preoperative factor | β coefficient | Points contributed |
---|---|---|
Age | ||
 > 62 years old |  | 0 point |
 ≤ 62 years old | 1.38 | 1 point |
Sex | ||
 Female |  | 0 point |
 Male | 1.02 | 1 point |
Tumor size | ||
 < 4.0 cm |  | 0 point |
 ≥ 4.0 cm | 2.78 | 3 points |
ALT | ||
 ≥ 125 U/L |  | 0 point |
 < 125 U/L | 1.89 | 2 points |
CA19–9 | ||
 < 385 U/mL |  | 0 point |
 ≥ 385 U/mL | 0.91 | 1 point |