Table 4.
Unadjusted and Adjusted Odds of Delirium by Tertile of Ventricular Size on Brain MRI Scans
| Unadjusted | Adjusteda | |||||
|---|---|---|---|---|---|---|
| Odds Ratio |
95% CI | P-value | Odds Ratio |
95% CI | P-value | |
| Ventricular size (tertile) | 3.59 | 1.59–8.12 | 0.002 | 3.23 | 1.21–8.60 | 0.02 |
| Logistic EuroSCORE | 1.13 | 1.04–1.22 | 0.002 | 1.08 | 0.98–1.19 | 0.14 |
| Baseline cognitive z-score | 0.58 | 0.35–0.96 | 0.03 | 0.69 | 0.38–1.26 | 0.22 |
| Cardiopulmonary bypass time (min) | 1.01 | 1.00–1.02 | 0.14 | 0.99 | 0.98–1.01 | 0.42 |
| Composite Complication | 10.2 | 2.88–35.99 | <0.001 | 12.2 | 2.56–58.4 | 0.002 |
Abbreviations: MRI: magnetic resonance imaging; EuroSCORE: European System for Cardiac Operative Risk Evaluation;
a
Adjusted for all characteristics presented in the table
b
Composite complications include stroke, inotropic drug>24 hours, new intra-aortic balloon pump, mechanical ventilation>48 hours, sepsis, new dialysis requirement, cardiac arrest, or reoperation due to bleeding.