Primary and secondary outcomes for the nebulised hypertonic saline group and the standard care group
| Nebulised hypertonic saline n=61 | Standard care n=59 | P values | Difference (95% CI) | |
| Primary outcome | ||||
| Hospital length of stay (hours) | ||||
| Mean (95% CI) | 47 (39 to 56) | 50.4 (39 to 61) | 0.33* | −2.8 (−11 to 16) |
| Secondary outcomes | ||||
| Duration oxygen therapy (hours) | ||||
| Mean (95% CI) | 29.5 (22 to 36) | 31.1 (22 to 39) | 0.6* | −1.5 (−9.6 to 12) |
| Racemic epinephrine nebulisation rescue therapy N (%) | 5 (8.2) | 9 (15) | 0.3† | |
| Transfers to paediatric intensive care unit N (%) | 0 (0) | 3 (5) | 0.1† | |
| Patients admitted within 7 days of discharge N (%) | 2 (3.2) | 3 (5.1) | 0.7† | |
*T-test.
†Pearson test.