Table 4 Hospital readmissions from birth to 2 years.
| Outcome | HFOV | CV | Relative risk* (95% CI)† | p Value |
|---|---|---|---|---|
| Respiratory admission ever | 118/276 (43%) | 112/264 (42%) | 1.01 (0.83 to 1.23) | – |
| Mean (SD) (range)‡ | 2.3 (2.3) (1–14) | 2.4 (2.3) (1–14) | – | 0.65 |
| Respiratory admission in last 12 months | 24/157 (15%) | 27/179 (15%) | 1.01 (0.61 to 1.68) | – |
| Mean (SD) (range)‡ | 1.4 (1.0) (1–5) | 1.3 (0.6) (1–3) | – | 0.81 |
| Surgical admission ever | 59/276 (21%) | 59/264 (22%) | 0.96 (0.70 to 1.32) | – |
| Mean (SD) (range)‡ | 1.5 (1.1) (1–7) | 1.4 (0.7) (1–4) | – | 0.82 |
| ICU admission ever | 23/276 (8%) | 25/264 (9%) | 0.88 (0.51 to 1.51) | – |
| Mean (SD) (range)‡ | 1.1 (0.5) (1–3) | 1.3 (0.6) (1–3) | – | 0.13 |
*Relative risk is the ratio of the risk of admission ever in the two groups, HFOV/CV.
†95% confidence intervals of relative risk.
‡Mean number of admissions among those who had had an admission.
HFOV, High frequency oscillatory ventilation; CV, conventional ventilation.