Table 1. Socio-demographic characteristics of children tested for SARS-CoV-2 because of symptoms suggestive of COVID-19, Italy, 23 February–24 May 2020 (n =2,148).
| Characteristics | Positive swab n = 159 |
Negative swab n = 1,989 |
p value | ||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Age group | |||||
| < 6 months | 19 | 12.0 | 159 | 8.0 | 0.082 |
| 6– <24 months | 17 | 10.7 | 472 | 23.7 | < 0.001 |
| 2–9 years | 37 | 23.3 | 836 | 42.0 | < 0.001 |
| 10–18 years | 86 | 54.1 | 517 | 26.0 | < 0.001 |
| Missing | 0 | 0 | 5 | 0.3 | 1.000 |
| Sex | |||||
| Male | 77 | 48.4 | 1,108 | 55.7 | 0.076 |
| Female | 82 | 51.6 | 880 | 44.2 | 0.074 |
| Missing | 0 | 0 | 1 | 0.1 | 1.000 |
| Contact with COVID-19 case | 126 | 79.2 | 122 | 6.1 | < 0.001 |
| Relatives with respiratory symptoms | 115 | 72.3 | 229 | 11.5 | < 0.001 |
| Any comorbidity | 28 | 17.6 | 327 | 16.4 | 0.702 |
| Type of comorbidity | |||||
| Malformation, disabilities, neuromuscular diseases | 5 | 3.1 | 81 | 4.1 | 0.566 |
| Cardiac diseases | 9 | 5.7 | 42 | 2.1 | 0.005 |
| Asthma | 6 | 3.8 | 60 | 3.0 | 0.593 |
| Other respiratory diseases/conditions | 0 | 0 | 17 | 0.9 | 0.631 |
| Primary immunodeficiencies | 1 | 0.6 | 12 | 0.6 | 1.000 |
| Secondary immunodeficiencies | 1 | 0.6 | 41 | 2.1 | 0.365 |
| Obesity | 1 | 0.6 | 12 | 0.6 | 1.000 |
| Diabetes | 1 | 0.6 | 2 | 0.1 | 0.206 |
| Psychiatric disorders | 1 | 0.6 | 21 | 1.1 | 1.000 |
| Other | 9 | 5.7 | 97 | 4.9 | 0.659 |
COVID-19: coronavirus disease; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2.