Table 3.
Level and Duration of Hospital Care of Lower Respiratory Tract Infection/Respiratory Syncytial Virus Hospitalizations Among Preterm Infants Born at 33 to 35 Completed Weeks’ Gestational Age
| Characteristic | All Lower Respiratory Tract Infection/Respiratory Syncytial Virus Hospitalizations | Known Moderate/High Riska | ||
|---|---|---|---|---|
| Seasons 1 and 2 (n = 105) | Seasons 3 and 4 (n = 130) | Seasons 1 and 2 (n = 15) | Seasons 3 and 4 (n = 26) | |
| Age at index hospitalization, mean, wk | 16.9 | 15.3 | 10.8 | 12.9 |
| Age at index hospitalization, median (IQR), wk | 16 (7–24) | 13 (8–23) | 8.5 (4–15.5) | 10 (7–12) |
| Total LOS, mean, days | 5.2 | 6.0 | 7.5 | 7.8 |
| Total LOS, median (IQR), days | 4.0 (2–7) | 4.0 (2–7) | 7 (4–11) | 5.5 (3–12) |
| Pediatric unit | 96 (91.4) | 120 (92.3) | 15 (100) | 23 (88.5) |
| Median (IQR) number of days | 3 (2–5) | 3 (2–5) | 5 (4–7) | 3 (2–7) |
| Pediatric intensive care unit | 22 (21.0) | 25 (19.2) | 4 (26.7) | 7 (26.9) |
| Median (IQR) number of days | 4.5 (2–9) | 6 (4–9) | 5 (3.5–8) | 6 (4–10) |
| Neonatal intensive care unit | 1 (1.0) | 5 (3.8) | 1 (6.7) | 1 (3.8) |
| Median (IQR) number of days | 4 (4–4) | 19 (3–55) | 4 (4–4) | 19 (19–19) |
| Short stay unit | 12 (11.4) | 6 (4.6) | 2 (13.3) | 1 (3.8) |
| Median (IQR) number of days | 2 (1.5–2) | 2 (1–2) | 2 (2–2) | 1 (1–1) |
| Other (emergency) | 26 (24.8) | 21 (16.2) | 7 (46.7) | 10 (38.5) |
| Median (IQR) number of days | 1 (1–1) | 2 (1–2) | 1 (1–2) | 2 (2–2) |
Values are presented as n (%) of patients unless otherwise noted.
Abbreviations: IQR, interquartile range; LOS, length of stay.
aCanadian respiratory syncytial virus risk scoring tool classification [12]. Classification performed among patients whose parent/guardian responded to a questionnaire: 54 of 105 infants in seasons 1/2 and 62 of 130 infants in seasons 3/4. All other data are from the patients’ hospitalization records.