TABLE 1.
Characteristics of the children hospitalized with COVID-19.
| All Children (n = 7,485) | With CCU (n = 1,988) | Without CCU (n = 5,497) | |
| Male gender | 4,025 (53.8%) | 1,115 (56.1%) | 2,910 (52.9%) |
| Age, median (IQR) | 1 Year (57 days–10 years) | 4 Years (105 days–11 years) | 1 Year (53 days–10 years) |
| Age groups | |||
| 0–6 days | 130 (1.7%) | 68 (3.4%) | 62 (1.1%) |
| 7 days to less than 3 months | 2,262 (30.2%) | 412 (20.7%) | 1,850 (33.6%) |
| 3 months to less than 2 years | 1,476 (19.7%) | 312 (15.7%) | 1,164 (21.2%) |
| 2–9 years | 1,591 (21.3%) | 609 (30.6%) | 982 (17.9%) |
| 10–13 years | 715 (9.6%) | 255 (12.8%) | 460 (8.4%) |
| 14–17 years | 1,311 (17.5%) | 332 (16.7%) | 979 (17.8%) |
| Underlying medical condition | |||
| Respiratory disease | 671 (9.0%) | 254 (12.8%) | 375 (6.8%) |
| Asthma | 468 (6.3%) | 186 (9.4%) | 282 (5.1%) |
| Chronic lung disease excluding asthma | 203 (2.7%) | 86 (4.3%) | 117 (2.1%) |
| Metabolic disease | 353 (4.7%) | 163 (8.2%) | 176 (3.2%) |
| Diabetes | 96 (1.3%) | 29 (1.5%) | 67 (1.2%) |
| Metabolic disease excluding diabetes | 257 (3.4%) | 140 (7.0%) | 117 (2.1%) |
| Sickle-cell disease | 211 (2.8%) | 90 (4.5%) | 121 (2.2%) |
| Obesity | 107 (1.4%) | 42 (2.1%) | 65 (1.18%) |
| Cardiovascular disease | 275 (3.7%) | 143 (7.2%) | 132 (2.4%) |
| Neurologic disease | 361 (4.8%) | 147 (7.4%) | 214 (3.9%) |
| Immunocompromised condition (including cancers) | 363 (4.9%) | 129 (6.5%) | 234 (4.3%) |
| Hepatic and gastric disease | 48 (0.6%) | 14 (0.7%) | 34 (0.6%) |
| Renal disease | 45 (0.6%) | 15 (0.8%) | 30 (0.5%) |
| Down syndrome | 42 (0.6%) | 15 (0.8%) | 27 (0.5%) |
| Prematurity among < 2 years (n = 3,868) | 375 (9.7%) | 129 (16.3%) | 246 (8.0%) |
| Number of underlying conditions | |||
| 0 | 5,380 (71.9%) | 1,145 (57.6%) | 4,235 (77.0%) |
| 1 | 1,597 (21.3%) | 621 (31.2%) | 976 (17.8%) |
| 2 | 367 (4.9%) | 162 (8.1%) | 205 (3.7%) |
| 3 or more | 141 (1.9%) | 60 (3.0%) | 81 (1.5%) |
| COVID-19 forms | |||
| PIMS | 806 (10.8%) | 512 (25.8%) | 297 (5.4%) |
| Respiratory form | 3,294 (44.0%) | 838 (42.2%) | 2,456 (44.7%) |
| No PIMS no respiratory form | 3,385 (45.2%) | 638 (32.1%) | 2,747 (50.0%) |
| Level of care required | |||
| Admission in critical care unit | 1,988 (26.6%) | ||
| Ventilation | 461 (6.2%) | 387 (19.5%) | 74 (1.3%) |
| Invasive ventilation | 149 (2.0%) | 133 (6.7%) | 16 (0.3%) |
| Non-invasive ventilation | 385 (5.1%) | 320 (16.1%) | 65 (1.2%) |
| ECMO | 7 (0.1%) | 7 (0.4%) | 0 (0.0%) |
| Need of vasoactive drugs | 241 (3.2%) | 204 (10.3%) | 37 (0.7%) |
| Hospital length of stay, median (IQR), days | 3 (1–5) | 6 (3–10) | 2 (1–4) |
IQR, interquartile range; CCU, critical care unit; ECMO, extracorporeal membrane oxygenation; PIMS, pediatric multisystem inflammatory syndrome.