Table 1.
Patient demographics
| Transported, n (%) | SD | Non-transport, n (%) | SD | |||
|---|---|---|---|---|---|---|
| 2010–2014 n = 420 |
2015–2019 n = 586 |
2010–2014 n = 992 |
2015–2019 n = 1024 |
|||
| Age | ||||||
| < 1 year | 152 (36.2) | 203 (34.6) | 0.03 | 418 (42.1) | 358 (35.0) | 0.15 |
| 1–< 2 years | 102 (24.3) | 159 (27.1) | 0.07 | 175 (17.6) | 210 (20.5) | 0.07 |
| 2–< 5 years | 77 (18.3) | 117 (20.0) | 0.04 | 170 (17.1) | 191 (18.7) | 0.04 |
| 5–< 18 years | 89 (21.2) | 107 (18.3) | 0.07 | 229 (23.1) | 265 (25.9) | 0.06 |
| Male | 266 (63.3) | 350 (59.7) | 0.07 | 593 (59.8) | 613 (59.9) | 0.00 |
| Respiratory category | ||||||
| Asthma | 82 (19.5) | 92 (15.7) | 0.10 | 104 (10.5) | 113 (11.0) | 0.02 |
| Bronchiolitis | 145 (34.5) | 177 (30.2) | 0.09 | 372 (37.5) | 343 (33.5) | 0.08 |
| Croup | 59 (14.0) | 99 (16.9) | 0.08 | 78 (7.9) | 71 (6.9) | 0.04 |
| Pneumonia | 111 (26.4) | 180 (30.7) | 0.09 | 412 (41.5) | 479 (46.8) | 0.11 |
| Others | 23 (5.5) | 38 (6.5) | 0.04 | 26 (2.6) | 18 (1.8) | 0.06 |
| Haemato-oncological disease | 2 (0.5) | 12 (2.0) | 0.14 | 26 (2.6) | 32 (3.1) | 0.03 |
| Neuromuscular disease | 2 (0.5) | 6 (1.0) | 0.06 | 21 (2.1) | 28 (2.7) | 0.04 |
| Airway disease | 19 (4.5) | 14 (2.4) | 0.12 | 51 (5.1) | 68 (6.6) | 0.06 |
| Lung disease | 25 (6.0) | 34 (5.8) | 0.01 | 78 (7.9) | 91 (8.9) | 0.04 |
| Chromosomal abnormality | 22 (5.2) | 21 (3.6) | 0.08 | 67 (6.8) | 52 (5.1) | 0.07 |
| Chronic encephalopathy | 23 (5.5) | 24 (4.1) | 0.06 | 163 (16.4) | 179 (17.5) | 0.03 |
| Cyanotic congenital cardiac disease | 9 (2.1) | 9 (1.5) | 0.05 | 23 (2.3) | 25 (2.4) | 0.00 |
| Prematurity | 74 (17.6) | 96 (16.4) | 0.03 | 199 (20.1) | 168 (16.4) | 0.09 |
| Home-ventilation dependent | 0 (0.0) | 7 (1.2) | 0.16 | 28 (2.8) | 72 (7.0) | 0.20 |
| Previous PICU admission | 41 (9.8) | 52 (8.9) | 0.03 | 214 (21.6) | 306 (29.9) | 0.19 |
| PIM-2, median (IQR) | 0.7 (0.2–1.4) | 0.6 (0.2–1.0) | 0.05 | 0.7 (0.2–1.4) | 0.8 (0.27–1.1) | 0.05 |
| Unadjusted PICU length of stay, day, median (IQR) | 2.2 (1.1–4.2) | 1.7 (0.9–3.2) | 2.4 (1.3–4.9) | 2.1 (1.2–4.5) | ||
SD standardized difference, PIM Paediatric Index of Mortality, IQR interquartile range, PICU paediatric intensive care unit