Table 4.
Hazard ratios of specific chronic conditions in model of unplanned PICU readmission within one yeara
| Chronic condition/categories | HR (95% CI) | P value |
|---|---|---|
| Cardiac | ||
| Arrhythmia, chronic | 1.03 (0.87–1.23) | 0.73 |
| Congenital heart disease, simple | 1.18 (1.1–1.28) | <0.001 |
| Congenital heart disease, complex | 1.45 (1.36–1.55) | <0.001 |
| Heart failure, chronic | 1.55 (1.4–1.72) | <0.001 |
| Heart transplant | 1.23 (0.92–1.6) | 0.16 |
| Pulmonary hypertension | 1.13 (1.02–1.25) | 0.02 |
| Respiratory/airway | ||
| Asthma | 0.93 (0.88–0.99) | 0.03 |
| Bronchopulmonary dysplasia | 1.54 (1.41–1.7) | <0.001 |
| Cystic fibrosis | 1.72 (1.39–2.12) | <0.001 |
| Pulmonary hypoplasia | 1.19 (0.9–1.59) | 0.22 |
| Upper airway anomaly | 1.26 (1.18–1.34) | <0.001 |
| Other chronic respiratory condition | 1.63 (1.51–1.75) | <0.001 |
| Neurologic | ||
| Cerebral palsy | 1.51 (1.42–1.61) | <0.001 |
| Epilepsy | 1.21 (1.14–1.28) | <0.001 |
| Static encephalopathy or generalized developmental delay | 1.7 (1.61–1.78) | <0.001 |
| Hydrocephalus | 1.36 (1.27–1.46) | <0.001 |
| Muscular dystrophy | 1.61 (1.38–1.88) | <0.001 |
| Spina bifida | 1.36 (1.21–1.53) | <0.001 |
| Spinal cord injury (including paralysis) | 1.23 (1.1–1.37) | <0.001 |
| Spinal muscular atrophy, type 1 | 1.98 (1.69–2.33) | <0.001 |
| Other neurologic/neuromuscular condition | 1.65 (1.56–1.75) | <0.001 |
| Oncologic | ||
| Bone marrow transplant | 1.40 (1.2–1.65) | <0.001 |
| Central nervous system tumor | 1.81 (1.67–1.96) | <0.001 |
| Hemopoietic | 2.11 (1.91–2.33) | <0.001 |
| Solid tumor | 1.82 (1.65–2) | <0.001 |
| Gastrointestinal | ||
| Liver failure | 1.44 (1.26–1.64) | <0.001 |
| Other GI condition | 1.55 (1.42–1.69) | <0.001 |
| Hematologic | ||
| Sickle cell | 1.41 (1.13–1.75) | 0.002 |
| Other hematologic | 1.3 (1.17–1.45) | <0.001 |
| Renal condition | 1.52 (1.38–1.68) | <0.001 |
| Endocrinologic | ||
| Diabetes | 1.54 (1.41–1.68) | <0.001 |
| Other endocrinologic condition | 1.38 (1.29–1.48) | <0.001 |
| Metabolic condition | 1.85 (1.72–1.98) | <0.001 |
| Immunologic condition | 1.64 (1.49–1.8) | <0.001 |
| Genetic abnormality/syndrome | 1.41 (1.34–1.49) | <0.001 |
| Rheumatologic condition | 1.29 (1.06–1.58) | 0.01 |
| Prematurity | 1.21 (1.13–1.3) | <0.001 |
| Congenital infection | 1.69 (1.25–2.28) | 0.001 |
CI, confidence interval; GI, gastrointestinal; HR, hazard ratio; PICU, pediatric intensive care unit;
a
Model adjusted for age, unplanned admission, trauma admission, perioperative admission, sepsis during admission, use of invasive ventilation, disposition location, discharge season, number of pediatric hospital beds, number of PICU beds, PICU site, the unit’s average daily census by quarter at patients’ discharge, and PIM2 score.