|  | Age categories | Region | |||||
---|---|---|---|---|---|---|---|---|
Total (n = 119) | 1–12 months (n = 53) | 13–24 months (n = 26) | 25–60 months (n = 40) | p | Lazio (n = 55) | Apulia (n = 64) | p | |
Boy (n, %) | 59 (50%) | 30 (57%) | 13 (50%) | 16 (40%) | 0.284 | 25 (45%) | 34 (53%) | 0.404 |
Age in months (median IQR) | 15 (–29) | 6 (4–9) | 19.5 (15–21) | 35 ( 30–46) | - | 14 (–32) | 15 (6–29) | 0.244 |
Prematurity (n, %) | 6 (5%) | 0 (-) | 4 (15%) | 2 (5%) | 0.014 | 2 (4%) | 4 (6%) | 0.530 |
Co-infection with at least one virus* (n, %) | 61 (51%) | 26 (49%) | 14 (54%) | 21 (53%) | 0.906 | 31 (56%) | 30 (47%) | 0.302 |
RSV B (n, %) | 28 (24%) | 13 (25%) | 5 (19%) | 10 (25%) | 0.842 | 7 (13%) | 21 (33%) | 0.010 |