TABLE 1.
Children admitted to two Italian hospital with bronchiolitis during three winter seasons from 1 September to 28 February
| 2018–2019 | 2019–2020 | 2020–2021 | |
|---|---|---|---|
| Number | 140 | 148 | 8 |
| Age at admission (days) | 66 ± 65 | 70 ± 62 | 75 ± 87 |
| Weight at admission (kg) | 5.0 ± 1.5 | 5.1 ± 1.6 | 5.9 ± 3.6 |
| Gestational age (weeks) | 39 ± 1.8 | 38 ± 2.0 | 39 ± 1.4 |
| Birth weight (kg) | 3.2 ± 0.6 | 3.1 ± 0.5 | 3.5 ± 0.3 |
| Respiratory syncytial virus cases | 91 (65%) | 113 (76%) | 1 (12%) |
| Rhinovirus cases | 29 (21%) | 28 (19%) | 7 (87%) |
| Patients who needed oxygen therapy | 67 (48%) | 90 (61%) | 0 |
| Respiratory support rather than just oxygen: n (%) | 53 (38%) | 63 (42%) | 3 (37%) |
| HFNC | 46 (32%) | 49 (33%) | 3 (37%) |
| CPAP/NIV | 20 (14%) | 34 (23%) | 0 |
| Mechanical ventilation | 1 (1%) | 6 (4%) | 0 |
| Intensive care admissions n (%) | 15 (11%) | 17 (11%) | 0 |
Data are expressed as means and standard deviations or numbers and percentages. Statistical analysis: p values calculated using the analysis of variance test to compare discrete variables and Kruskal‐Wallis test for categorical variables.
Abbreviations: CPAP, continuous positive air pressure; HFNC, high flow nasal cannula; NIV, non‐invasive ventilation.