Table 1.
Demographic and Clinical Characteristics by Delirium Status (n=194)
| Characteristic | No. of Subjects (%) | Ever Delirious During PCICU Stay (%) | Never Delirious During PCICU Stay (%) | p Value |
|---|---|---|---|---|
| n | 194 | 95 (49.0) | 99 (51.0) | |
|
| ||||
| Gender | ||||
| Male | 114 (58.8) | 52 (54.7) | 62 (62.6) | 0.332 |
| Female | 80 (41.2) | 43 (45.3) | 37 (37.4) | |
|
| ||||
| Age, yr | ||||
| 0–2 | 81 (41.8) | 53 (55.8) | 28 (28.3) | |
| 3–5 | 48 (24.7) | 23 (24.2) | 25 (25.3) | <0.001 |
| 6–13 | 29 (14.9) | 11 (11.6) | 18 (18.2) | |
| >13 | 36 (18.6) | 8 (8.4) | 28 (28.3) | |
|
| ||||
| Developmental delaya | ||||
| No delay | 164 (84.5) | 74 (77.9) | 90 (90.9) | 0.021 |
| Delay | 30 (15.5) | 21 (22.1) | 9 (9.1) | |
|
| ||||
| Cyanotic Heart Disease | ||||
| No | 109 (56.2) | 36 (37.9) | 73 (73.7) | <0.0001 |
| Yes | 85 (43.8) | 59 (62.1) | 26 (26.3) | |
|
| ||||
| PIM2b, by median | ||||
| ≤1.6 | 102 (52.6) | 41 (43.2) | 61 (61.6) | 0.015 |
| >1.6 | 92 (47.4) | 54 (56.8) | 38 (38.4) | |
|
| ||||
| RACHS-1c Score | ||||
| 1 | 29 (14.9) | 5 (5.3) | 24 (24.2) | |
| 2 | 78 (40.2) | 40 (42.1) | 38 (38.4) | <0.001 |
| 3,4 | 80 (41.2) | 44 (46.3) | 36 (36.4) | |
| Heart Transplant | 7 (3.6) | 6 (6.3) | 1 (1.0) | |
|
| ||||
| Baseline Albumin | ||||
| ≤3 mg/dl | 16 (8.2) | 13 (13.7) | 3 (3.0) | |
| >3 mg/dl | 167 (86.1) | 78 (82.1) | 89 (89.9) | 0.009 |
| NA | 11 (5.7) | 4 (4.2) | 7 (7.1) | |
|
| ||||
| Cardiac Bypass Time, by quartile | ||||
| ≤59.3 | 49 (25.3) | 18 (18.9) | 31 (31.3) | |
| >59.3–88.5 | 48 (24.7) | 20 (21.1) | 28 (28.3) | 0.042 |
| >88.5–126.5 | 48 (24.7) | 30 (31.6) | 18 (18.2) | |
| >126.5 | 49 (25.3) | 27 (28.4) | 22 (22.2) | |
|
| ||||
| Received Steroids Intra-Op | ||||
| No | 106 (54.6) | 48 (50.5) | 58 (58.6) | 0.326 |
| Yes | 88 (45.4) | 47 (49.5) | 41 (41.4) | |
|
| ||||
| Intra-Op Blood Transfusion | ||||
| No | 151 (77.8) | 69 (72.6) | 82 (82.8) | 0.089 |
| Yes | 43 (22.2) | 26 (27.4) | 17 (17.2) | |
|
| ||||
| Circulatory Arrest | ||||
| No | 188 (96.9) | 94 (98.9) | 94 (94.9) | 0.212 |
| Yes | 6 (3.1) | 1 (1.1) | 5 (5.1) | |
a
Developmental delay defined as severe impairment in age-appropriate ability to communicate with caregiver at pre-hospital baseline.
b
PIM2 = Pediatric Index of Mortality II, see text and reference for explanation of score (15).
c
RACHS-1 score = Risk Adjustment for Congenital Heart Surgery score, see text and reference for explanation of score (17)