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. Author manuscript; available in PMC: 2013 Sep 4.
Published in final edited form as: Pediatrics. 2010 Nov 22;126(6):e1453–e1460. doi: 10.1542/peds.2010-0507

TABLE 4.

Disease Characteristics in children Hospitalized With RSV and non-RSV Bronchiolitis

Parameters of Disease Severity RSV Bronchiolitis (N = 2840) Non-RSV Bronchiolitis (N = 1445) P
Length of stay, median (IQR [25th–75th percentile]), d 3 (2–5) 2 (2–4) <.001
Supplemental oxygen
 Requirement, n (%) 1600 (56.3) 675 (46.7) <.001
 Duration, median (IQR [25th–75th percentile]), d 2 (1–4) 2 (1–4) .239
ICU
 Requirement, n (%) 329 (11.6) 119 (8.2) <.001
 Duration, median (IQR [25th–75th percentile]), d 4 (2–7) 2 (1–5) <.001
Ventilatory support
 Requirement, n (%) 171 (6) 46 (3.2) <.001
 Duration, median (IQR [25th–75th percentile]), d 6 (4–9) 4 (1–7) .003

Numbers in parentheses represent the percentage of children who required oxygen, ICU, or ventilatory support. IQR indicates interquartile range.