Table 4.
Bivariate associations between delirium and patient perioperative outcomes
| Mean (standard deviation) | Median (interq range) | Outcome delirium
|
p-value | ||
|---|---|---|---|---|---|
| No | Yes | ||||
| CPB (min) | 121.2 (42.6) | 42.6 (113.0) | 118.8 (40.2) | 140.2 (56.0) | 0.113a |
| Ischemia time during CPB (min) | 77.4 (31.5) | 31.5 (70.0) | 75.8 (29.7) | 90.1 (42.0) | 0.155a |
| ICU LOS (days)b,c | 1.6 (1.8) | 1.8 (1.0) | 1.5 (0.7)/1.0 (1.0) | 2.4 (1.6)/2.0 (1.8) | <0.001d |
| In-hospital LOS (days) | 7.4 (2.9) | 2.9 (7.0) | 7.3 (2.7)/7.0 (2.0) | 8.8 (4.6)/7.5 (3.5) | 0.028d |
| ICU LOS (h) | 35.1 (19.8) | 19.8 (29.0) | 32.6 (14.5)/26.0 (19.0) | 55.9 (37.7)/45.5 (31.2) | <0.001d |
| Total sedation time (h)b,c | 7.2 (8.4) | 8.4 (5.0) | 6.5 (5.0)/5.0 (3.0) | 13.2 (20.7)/6.3 (6.6) | 0.189d |
| Length of stay with endotracheal tube (h)b,c | 10.7 (11.4) | 11.4 (8.0) | 9.7 (8.1)/8.0 (4.0) | 19.5 (24.1)/11.5 (10.6) | 0.001d |
Notes: Values are presented as mean (standard deviation) unless they are mentioned otherwise.
a
t-test,
b
mean (standard deviation),
c
median (interquartile range),
d
Mann–Whitney test. Bold data are statistically significant.
Abbreviations: CPB, cardiopulmonary bypass; ICU, intensive care unit; LOS, length of stay.