Table 1 Baseline characteristics of infants with bronchiolitis
From: Integrated-omics analysis with explainable deep networks on pathobiology of infant bronchiolitis
Overall | |
|---|---|
Characteristics | (n = 397) |
Demographics | |
Age (month), median (IQR) | 3 (2–7) |
Female sex | 165 (42) |
Race/ethnicity | |
Non-Hispanic white | 160 (40) |
Non-Hispanic black | 91 (23) |
Hispanic | 129 (33) |
Other or unknown | 17 (4) |
Prematurity (32.0–36.9 weeks) | 72 (18) |
C-section delivery | 138 (35) |
Previous breathing problems (count) | |
0 | 313 (79) |
1 | 62 (16) |
2 | 22 (6) |
Previous ICU admission | 6 (2) |
History of eczema | 61 (15) |
Ever attended daycare | 94 (24) |
Cigarette smoke exposure at home | 60 (15) |
Parental history of eczema | 79 (20) |
Parental history of asthma | 138 (35) |
Clinical presentation at index hospitalization | |
Weight at presentation (kg), median (IQR) | 6 (5–8) |
Respiratory rate (per minute), median (IQR) | 50 (40–60) |
Oxygen saturation | |
<90% | 37 (10) |
90-93% | 56 (15) |
≥94% | 293 (76) |
Blood eosinophilia ( ≥ 4%) | 34 (9) |
IgE sensitization | 81 (20) |
Respiratory virus | |
RSV infection | 316 (80) |
RV infection | 86 (22) |
RSV/RV coinfection | 47 (12) |
Other pathogena only | 32 (8) |
Clinical outcomes | |
Respiratory supportb | 79 (20) |
Positive pressure ventilation usec | 25 (6) |