Table 3.
Common chronic conditions by age groups
| 15–18 years | 19–20 years | 21–29 years | ≥30 years | |
|---|---|---|---|---|
| Condition, % admissions (95% CI)* | n=8,741 | n=1,036 | n=612 | n=92 |
| Cardiac abnormality, congenital | 4.9 (4.4–5.3) | 9.6 (7.8–11.3) | 15.6 (12.8–18.6) | 46.7 (36.3–57.1) |
| Chromosomal anomaly/genetic abnormality | 2.3 (1.9–2.6) | 5.2 (3.9–6.6) | 6 (4.2–7.9) | 4.3 (0.1–8.6) |
| Gastrointestinal | ||||
| Chronic liver disease | 0.7 (0.5–0.8) | 1.9 (1.1–2.7) | 1 (0.2–1.8) | 4.3 (0.1–8.6) |
| Gastrostomy | 2.6 (2.3–3) | 5.7 (4.3–7.1) | 10.8 (8.3–13.2) | 8.7 (2.8–14.6) |
| Other childhood-onset conditions | 0.1 (0–0.2) | 0.4 (0–0.8) | 0.5 (0–1) | – |
| Hematologic | ||||
| Sickle cell anemia | 1 (0.8–1.2) | 2.1 (1.2–3) | 1.1 (0.3–2) | – |
| Other childhood-onset conditions | 0.3 (0.2–0.4) | 1.3 (0.6–1.9) | – | – |
| Immunologic | ||||
| Human Immunodeficiency Virus infection | 0.2 (0.1–0.2) | 0.4 (0–0.8) | – | – |
| Other childhood-onset conditions | 0.1 (0.1–0.2) | 0.8 (0.2–1.3) | 0.2 (0–0.5) | – |
| Malignancy | ||||
| Bone marrow transplant | 1 (0.8–1.2) | 1.9 (1.1–2.8) | 3.1 (1.7–4.5) | – |
| Central nervous system | 3.4 (3.1–3.8) | 4.2 (2.9–5.4) | 6.7 (4.7–8.7) | – |
| Hemopoietic/lymphatic | 3.5 (3.1–3.9) | 6.1 (4.6–7.5) | 6.4 (4.4–8.3) | – |
| Solid tumor, non-CNS | 3.7 (3.2–4.1) | 5.9 (4.5–7.3) | 4.1 (2.5–5.7) | 4.3 (0.1–8.6) |
| Metabolic/endocrine | ||||
| Diabetes mellitus, insulin dependent | 3.7 (3.3–4.1) | 2.9 (1.9–3.9) | 2.3 (1.1–3.4) | – |
| Other childhood-onset conditions | 2.1 (1.8–2.4) | 4.4 (3.2–5.7) | 4.9 (3.2–6.6) | 5.4 (0.7–10.2) |
| Neurologic/neurodevelopmental/neuromuscular | ||||
| Cerebral palsy | 4.1 (3.6–4.5) | 7.8 (6.2–9.5) | 10.3 (7.9–12.7) | 6.5 (1.4–11.7) |
| Cerebral structural abnormality, congenital | 2.4 (2–2.7) | 2.8 (1.8–3.8) | 4.2 (2.6–5.9) | 1.1 (0–3.2) |
| Developmental delay, general ized/hypoxic ischemic encephalopathy | 4.9 (4.4–5.3) | 9.1 (7.3–10.8) | 13.6 (10.8–16.3) | 15.2 (7.7–22.7) |
| Developmental delay, specific/autism | 3.3 (2.9–3.7) | 6 (4.5–7.4) | 5.4 (3.6–7.2) | 6.5 (1.4–11.7) |
| Epilepsy | 7.6 (7.1–8.2) | 12 (10–13.9) | 16.8 (13.9–19.8) | 13 (6–20.1) |
| Hydrocephalus | 4.2 (3.8–4.6) | 5.9 (4.5–7.3) | 8.3 (6.1–10.5) | 5.4 (0.7–10.2) |
| Muscular dystrophy | 1.6 (1.3–1.9) | 3.1 (2–4.1) | 3.9 (2.4–5.5) | – |
| Spina bifida/congenital spinal cord abnormality | 1 (0.8–1.2) | 2.2 (1.3–3.1) | 4.1 (2.5–5.7) | 2.2 (0–5.2) |
| Renal/genitourinary | ||||
| Chronic renal failure/dialysis dependence | 2.2 (1.9–2.5) | 6.2 (4.7–7.6) | 4.1 (2.5–5.7) | 5.4 (0.7–10.2) |
| Other childhood-onset conditions | 1.1 (0.9–1.3) | 2.9 (1.9–3.9) | 2.5 (1.2–3.7) | 1.1 (0–3.2) |
| Respiratory | ||||
| Asthma | 6.8 (6.3–7.4) | 5 (3.7–6.4) | 5.9 (4–7.8) | 4.3 (0.1–8.6) |
| Chronic invasive ventilation | 1.1 (0.9–1.3) | 2.9 (2–4.1) | 5.4 (3.8–7.4) | 1 (0–5.4) |
| Cystic fibrosis | 0.7 (0.6–0.9) | 1.6 (0.9–2.4) | 2 (0.9–3.1) | 6.5 (1.4–11.7) |
| Tracheostomy | 3.2 (2.8–3.6) | 7 (5.3–8.7) | 13.7 (10.8–16.6) | 6.5 (1.4–11.7) |
| Other childhood-onset conditions | 1.2 (1–1.5) | 3 (2–4) | 2.1 (1–3.3) | – |
| Spine curvature conditions | 9.6 (9–10.3) | 12.5 (10.4–14.5) | 12.3 (9.6–14.9) | 8.7 (2.8–14.6) |
Abbreviations: CNS, central nervous system; CI, confidence interval
*
Based on 10,481 (96%) admissions of patients ≥15 years of age from 68 units that supplied secondary diagnoses