Predictive grading system for long-term postoperative LD risk
| Risk factor | Categories | Points |
| Age | ||
| 0~19 | 0 | |
| 20~39 | 1 | |
| 40~59 | 2 | |
| AChA feeding | ||
| No | 0 | |
| Yes | 2 | |
| Segment II involvement | ||
| No | 0 | |
| Yes | 2 | |
| LD history | ||
| No | 0 | |
| Yes | 2 |
AChA, anterior choroidal artery; LD, language deficit.