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New scoring system
|
Variable
|
Conditions
|
Scores
|
| χ1: Age | < 65 years old | 0 |
| ≥ 65 years old | 2 | |
| χ2: Medical diseases requiring drug treatment | No | 0 |
| Yes | 4 | |
| χ3: Number of segments resected | ≤ 2 | 0 |
| ≥ 3 | 2 | |
| χ4: Operation duration | < 180 min | 0 |
| ≥ 180 min | 2 | |
| χ5: Blood transfusion | No | 0 |
| Yes | 2 |
Note: The total score was calculated as the sum of the five variables.
