Baseline features P5 (n. 60) P10 (n. 64)
Age (days) 53 (35-119) 65 (39-127)
Gestational Age at birth (w) 39 (38-40) 39.5 (38-40)
Weight (kg) 4.5 (4-6) 5 (3.9-6)
BSS at PICU admission 6 (4-7.12) 6 (4-7.5)
PIM3 0.5 (0.4-0.5) 0.45 (0.3-0.6)
HFNC before Helmet (%) 45 (75%) 51 (80%)
Viral Pathogens (number, type)
47, RSV 12, Rhinovirus 3, Bocavirus 2, Adenovirus 4, Coronavirus 2, Metapneumovirus 1, HPIV 45, RSV 14, Rhinovirus 1, Bocavirus 2, Adenovirus 1, Coronavirus 3, Metapneumovirus 2, HPIV
Viral coinfection n. (%) 8 (13%) 5 (5%)
Bacterial Pathogens (n., type)
1, Moraxella 3, Haemophilus Influentiae 4, Streptococcus Pneumoniae 2, Staphilococcus Aureus 3, Haemphilus Influentiae 5, Streptococcus Pneumoniae 2, Staphilococcus Aureus 2, Bordetella Pertussis 1, Klebsiella Pneumoniae
Bacterial coinfection n. (%) 7 (12%) 10 (16%)