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Risk factors for severe† (compared with moderate/mild) RSV bronchiolitis in hospitalized children
RSV, Respiratory syncytial virus; OR, odds ratio; CI, confidence interval.
Severe=assisted ventilation or continuous positive airway pressure (CPAP); moderate=received supplemental oxygen; mild=no additional oxygen needed.
Adjusted for year.
Adjusted for year and all other variables listed in the table.
P⩽0·05.
