Table 3.
Sensitivity Analyses to Assess the Importance of Other Variables on Probability of Successful Discharge (the Benefit of Albuterol Was Unchanged by Their Inclusion)
| Variable | aRR of Successful Discharge | 95% CI | p-Value |
|---|---|---|---|
| Albuterol | 1.18 | 1.02, 1.37 | 0.026 |
| Moderate* | 0.51 | 0.44, 0.60 | <0.001 |
| Severe* | 0.25 | 0.13, 0.49 | <0.001 |
| Not classified* | 0.88 | 0.72, 1.08 | 0.216 |
| Secondary site | 0.84 | 0.63, 1.14 | 0.262 |
| Age < 12 months | 0.98 | 0.81, 1.18 | 0.805 |
| Ex-premature | 0.71 | 0.56, 0.89 | 0.003 |
| Hypoxia | 0.41 | 0.23, 0.74 | 0.003 |
| Prior wheezing | 1.36 | 1.14, 1.62 | 0.001 |
aRR = adjusted relative risk; CI = confidence interval.
*
Reference category is mild disease. n for this model is 686. The same results for severity of illness and drug were obtained using Mantel-Haenszel stratified analysis.