Table 2:
Univariable Relationships Between CPAR and Postoperative Delirium
| CPAR | Overall Cohort (n = 207) Median [IQR] Mean (SD) |
Not Delirious (n= 181) Median [IQR] Mean (SD) |
Delirious (n = 26) Median [IQR] Mean (SD) |
Univariable Logistic Regression** |
|
|---|---|---|---|---|---|
| OR (95% CI) | p-value | ||||
| Baseline | 5.68 [4.44, 7.35] 6.4 (3.2) |
5.61 [4.33, 7.24] 6.4 (3.2) |
5.90 [4.50, 7.36] 6.4 (3.1) |
1.01 (0.87, 1.13) | 0.942 |
| 24 Hour | 5.92 [4.35, 8.58] 6.9 (3.8) |
5.79 [4.32, 8.42] 6.8 (3.7) |
6.84 [5.52, 9.08] 7.9 (3.9) |
1.07 (0.97, 1.17) | 0.169 |
| 24-Hour Change | 0.28 [−0.48, 1.24]* 0.6 (1.9) |
0.19 [−0.55, 1.08] 0.4 (1.9) |
1.31 [0.004, 2.34]# 1.5 (2.0) |
1.27 (1.05, 1.54) | 0.011 |
CPAR, cerebrospinal fluid-to-plasma albumin ratio, *Within-subject 24-hour change in CPAR, Wilcoxon Signed Rank test, p = 0.001; #Delirious vs. not delirous 24-Hour change in CPAR, Wilcoxon test, p = 0.003. **Univariable Logistic Regression compares the indicated CPAR variable among delirious vs not delirious patients.