Table 2. Baseline Characteristics of Pediatric Patient Admissions.
| Characteristics | No. (%) | |
|---|---|---|
| Protocol intervention | Usual care | |
| No. of pediatric patient admissions | 4688 | 4155 |
| Sex | ||
| Female | 1970 (42.0) | 1744 (42.0) |
| Male | 2716 (57.9) | 2410 (58.0) |
| Age at admission, median (IQR), mo | 7 (1-45) | 9 (1-47) |
| <1 | 1042 (22.2) | 772 (18.6) |
| 1-<24 | 2077 (44.3) | 1937 (46.6) |
| 24-<72 | 710 (15.2) | 665 (16.0) |
| ≥72 | 859 (18.3) | 780 (18.8) |
| Previous ICU admission | 1429 (30.5) | 1102 (26.5) |
| Pediatric Index of Mortality 3, median (IQR)a | 0.02 (0.01-0.05) | 0.02 (0.01-0.05) |
| Primary diagnostic group | ||
| Cardiovascular | 1613 (34.4) | 1226 (29.5) |
| Respiratory | 1410 (30.1) | 1289 (31.0) |
| Other | 602 (12.8) | 484 (11.7) |
| Neurology | 385 (8.2) | 431 (10.4) |
| Gastroenterology | 316 (6.7) | 294 (7.1) |
| Infection | 253 (5.4) | 307 (7.4) |
| Oncology | 109 (2.3) | 124 (3.0) |
| Type of admission | ||
| Unplanned medical | 2659 (56.7) | 2624 (63.2) |
| Planned medical | 265 (5.7) | 153 (3.7) |
| Planned postsurgical | 1532 (32.7) | 1128 (27.2) |
| Unplanned postsurgical | 232 (5.0) | 250 (6.0) |
Abbreviations: ICU, intensive care unit; IQR, interquartile range.
a
A predictive model based on 10 explanatory variables collected at admission to the ICU to estimate the probability of death. Ranges from 0 to 1; a higher index is associated with a higher estimated probability of death.