n – absolute value; SD – standard deviation; O2 – oxygen; NIV – noninvasive mechanical ventilation; IMV – invasive mechanical ventilation; TQT – tracheostomy; ARF – acute respiratory failure; SARS – severe acute respiratory syndrome; CPA – cardiopulmonary arrest; CPR – cardiopulmonary resuscitation; PICU – pediatric intensive care unit. Mann-Whitney or * Fisher’s exact test.
Table 3. Characteristics of noninvasive mechanical ventilation in children with bronchiolitis under or without invasive mechanical ventilation hospitalized in PICU of a public emergency hospital