Percent of Infants Discharged Before the RSV Season Who Are Predicted to Be Rehospitalized for RSV, Kaiser Permanente Medical Care Program (Northern California), 1992–1996
| Gestational Age | Length of Oxygen Therapy in NICU | Month of NICU Discharge | |
|---|---|---|---|
| December– August | September– November | ||
| 23–32 wk | <28 d | 3.1% (1.8–5.5)† | 8.0% (4.6–13.6) |
| ≥28 d | 10.7% (6.3–17.6) | 24.6% (15.4–37.0) | |
| 33–36 wk | <28 d | 1.2% (0.7–2.0) | 3.2% (2.0–5.2) |
| ≥28 d | 4.4% (1.9–9.6) | 11.0% (5.0–22.5) | |
* Probabilities of rehospitalization shown are adjusted means based on the results of a logistic regression model. The RSV season is considered to extend from December 1 to March 31.
↵† in parentheses reflect Figures 95% confidence intervals.