Mean croup scores compared by the Mann-Whitney U test from 58 paediatric admissions with initial croup scores of 4-17
| Time (hours)† | Study group‡ | Controls‡ | Difference | p Value |
|---|---|---|---|---|
| 0 | 7.00 (n=31) | 6.96 (n=27) | −0.04 | — |
| 0.5 | 5.17 (n=29) | 5.88 (n=25) | 0.71 | 0.440 |
| 1 | 4.18 (n=28) | 5.42 (n=26) | 1.24 | 0.203 |
| 2 | 3.43 (n=30) | 5.42 (n=26) | 1.99 | 0.013 |
| 4 | 2.93 (n=28) | 4.63 (n=24) | 1.70 | 0.017 |
| 12* | 2.36 (n=25) | 3.64 (n=20) | 1.28 | 0.024 |
| 24** | 1.45 (n=20) | 3.23 (n=22) | 1.78 | 0.018 |
6-151 Time in hours from initial nebulised trial solution.
6-152 n=Number of patients with a croup score measured at that time.
12* = Mean of the 8, 12, and 16 hour scores.
24** = Mean of the 20, 24, and 28 hour scores.
The median croup scores (not shown above) demonstrated a similar trend.