Patients with HRSV ( vs . HRV ) were hospitalized for a longer time ( 6 . 7 vs . 5 . 2 days , P [UNK] 0 . 012 ) , required more days of oxygen supply ( 5 . 1 vs . 3 . 4 , P [UNK] 0 . 005 ) , had a longer duration of the exacerbation before hospitalization ( 3 . 6 vs . 1 . 9