TABLE 1

Patient Characteristics

TotalBaselineInterventionP
N (%)308 (100)101 (33)207 (67)
Age, y, median (IQR)6.2 (1.5–13.3)3.6 (0.5–9.7)8.3 (2.4–14.5)<.001
Female sex, n (%)151 (49)46 (45.5)105 (50.7).250
Primary diagnosis, n (%)
 Pneumonia118 (38.3)39 (38.6)79 (38.2).775
 Other60 (19.5)17 (16.8)43 (20.8)
 Bronchiolitis55 (19.9)21 (20.8)34 (16.4)
 Asthma50 (16.2)18 (17.8)32 (15.5)
 Cystic fibrosis15 (4.9)3 (3.0)12 (5.8)
 Asthma and pneumonia10 (3.3)3 (3.0)7 (3.4)
Comorbidities, n (%)a
 Seizure disorder85 (27.6)26 (25.7)59 (28.5).611
 History of aspiration64 (20.8)21 (20.8)43 (20.8).997
 Neuromuscular disease42 (13.6)14 (13.9)28 (13.5).936
 History of prematurity39 (12.7)23 (22.8)16 (7.7)<.001
Baseline NIV, n (%)
 None267 (86.7)90 (89.1)177 (85.5)
 CPAP29 (9.4)7 (6.9)22 (10.6)
 BiPAP11 (3.6)3 (3.0)8 (3.9).376
Complex chronic condition flag, n (%)205 (66.6)68 (67.3)137 (66.2).796
  • NIV, noninvasive ventilation; —, not applicable.

  • a More than 1 comorbidity could have been selected for each patient.