Postoperative delirium prediction model for critically ill patients
| Variable | Regression coefficient | OR (95% CI） | P value |
| Coma history | 3.428 | 30.821 (3.153 to 301.264) | <0.01 |
| Hypertension history | 1.308 | 3.700 (1.886 to 7.260) | <0.01 |
| Diabetes history | 1.228 | 3.415 (1.531 to 7.614) | 0.002 |
| Acid–base imbalance | 0.310 | 1.363 (1.198 to 1.551) | <0.001 |
| POSSUM score | 0.113 | 1.120 (1.072 to 1.169) | 0.017 |
The data in the table are independent risk factors for intensive care unit postoperative delirium.
POSSUM, Physiological and Operative Severity Score for the enumeration of Mortality and morbidity.