TABLE 2:
Clinical Course and Admission Characteristics for Bronchiolitis Cohort as whole, as well as First-Time Bronchiolitis Admission and Multiple Bronchiolitis Admission Cohorts
| Clinical Characteristics | Total n=42 |
First-Time Bronchiolitis Admission n=31 |
Multiple Bronchiolitis Admissions n=11 |
|---|---|---|---|
| Hospital Day Patient Sampled On, n/N | |||
| Days 1-2 | 17/42 | 13/31 | 4/11 |
| Days 3-4 | 23/42 | 17/31 | 6/11 |
| Days 5 + | 2/42 | 1/31 | 1/11 |
| Virus Isolated on PCR, n/N | |||
| Rhinovirus | 18/42 | 10/31 | 8/11 |
| RSV | 10/42 | 9/31 | 1/11 |
| Poly-viral Infection | 10/42 | 9/31 | 1/11 |
| Enterovirus | 1/42 | 1/31 | 0 |
| Human Metapneumovirus | 1/42 | 0 | 1/11 |
| Coronavirus (non-COVID 19) | 1/42 | 1/31 | 0 |
| Parainfluenza | 1/42 | 1/31 | 0 |
| Type of Respiratory Support, n/N | |||
| Nasal NIPPV or HFNC | 24/42 | 16/31 | 8/11 |
| Oronasal NIPPV | 18/42 | 15/31 | 3/11 |
| Scheduled Albuterol Used During Admission, n/N | |||
| Yes | 18/42 | 9/31 | 9/11 |
| Scheduled Systemic Steroids Used During Admission, n/N | |||
| Yes | 6/42 | 4/31 | 2/11 |
| Single or Poly-virus infection, n/N | |||
| Single Virus Infection | 32/42 | 22/31 | 10/11 |
| Poly-viral Infection | 10/42 | 9/31 | 1/11 |
| S:F Ratio, median (IQR) | 386 (330 - 452) | 330 (317 - 388) | 388 (365 - 457) |
| PICU LOS, median (IQR) days | 3 (2 - 4) | 3 (1 – 4) | 3 (2 – 5) |
Abbreviations: IQR = Interquartile range, PCR = Polymerase Chain Reaction, RSV = Respiratory syncytial virus, NIPPV = non-invasive positive pressure ventilation, HFNC = High-flow nasal cannula, LOS = length of stay, S:F = oxygen saturation to fraction of inspired oxygen.