Prospective Multicentre Study on the Epidemiology and Current Therapeutic Management of Severe Bronchiolitis in Spain

Table 3

Stay in PICU according to presence of personal or family history.

Factors analysed	Stay in PICU in patients with this factor (days)	Stay in PICU in patients without this factor (days)
Risk factors	8 (2–46)	6 (1–28)	0.203
Prematurity	8 (2–46)	6 (1–28)	0.213
Heart disease	6.5 (3–22)	7 (1–46)	0.9
Atopic patient	6.5 (2–31)	7 (1–46)	0.659
Atopic parents	7 (2–46)	6 (1–28)	0.275
Smoking parents	6 (1–3)	7 (2–46)	0.527
Patient with 1 sibling	7 (2–29)	6 (1–46)	0.208
Patient with 2 or more siblings	8 (3–28)	6 (1–46)	0.014
Vaccinated with palivizumab	8 (4–28)	7 (1–46)	0.592

Statistics test: Mann–Whitney test.