Table 3 The scoring system for predicting postoperative delirium
Variable | Score |
|---|---|
Age > 75 years | |
Yes | 1 |
No | 0 |
History of stroke | |
Yes | 3 |
No | 0 |
Preoperative Hb ≤ 100 g/L | |
Yes | 1 |
No | 0 |
Preoperative PaO2 ≤ 60 mmHg | |
Yes | 2 |
No | 0 |
Time between admission to surgery > 3 days | |
Yes | 1 |
No | 0 |