Table 3.
Complications (Within 30 Days) | Postoperative Delirium (n = 2569) | No Postoperative Delirium (n = 5870) | Adjusted OR (for Patients With Postoperative Delirium)a | P Value |
---|---|---|---|---|
Medical complications | ||||
Death | 12.0% | 4.8% | 2.22 (1.74-2.84) | <.001 |
Deep vein thrombosis (DVT) | 1.5% | 1.2% | 1.54 (0.91-2.60) | .111 |
Pulmonary embolism | 0.9% | 0.7% | 1.28 (0.59-2.79) | .532 |
Pneumonia | 7.6% | 2.8% | 2.93 (2.15-4.01) | <.001 |
Acute renal failure | 4.7% | 2.2% | 2.64 (0.98-7.13) | .055 |
Urinary tract infection | 6.0% | 4.3% | 1.60 (1.16-2.19) | .004 |
Cerebrovascular accident | 1.6% | 0.7% | 3.04 (1.73-5.37) | <.001 |
Cardiac arrest | 1.0% | 0.6% | 1.35 (0.68-2.65) | .393 |
Myocardial infarction | 4.5% | 2.3% | 2.95 (2.01-4.34) | <.001 |
Postoperative sepsis | 1.9% | 0.7% | 2.50 (1.36-4.56) | .003 |
Surgical complications | ||||
Superficial SSI | 0.7% | 0.4% | 2.03 (0.62-6.64) | .241 |
Deep SSI | 0.3% | 0.1% | 2.22 (0.35-14.11) | .397 |
Reoperation | 2.9% | 2.0% | 1.57 (0.91-2.38) | .073 |
Transfusion | 29.7% | 27.6% | 1.09 (0.94-1.27) | .241 |
Abbreviations: ASA, American Society of Anesthesiologists; OR, odds ratio; SSI, surgical site infection.
aAdjusted OR computed using multivariate logistic regression with age, gender, BMI, preoperative delirium, dementia, comorbidities, and ASA classification as covariates.