Mean croup scores compared by the Mann-Whitney U test from 89 paediatric admissions with initial croup scores of 1-17
| Time (hours)† | Study group‡ | Controls‡ | Difference | p Value |
|---|---|---|---|---|
| 0 | 5.30 (n=46) | 5.15 (n=41) | −0.15 | — |
| 0.5 | 3.98 (n=45) | 4.41 (n=39) | 0.43 | 0.500 |
| 1 | 3.11 (n=44) | 4.15 (n=40) | 1.04 | 0.120 |
| 2 | 2.72 (n=46) | 3.98 (n=40) | 1.26 | 0.058 |
| 4 | 2.34 (n=44) | 3.41 (n=39) | 1.07 | 0.100 |
| 12* | 1.89 (n=44) | 3.16 (n=41) | 1.27 | < 0.001 |
| 24** | 1.16 (n=35) | 3.04 (n=32) | 1.88 | 0.005 |
5-151 Time in hours from initial nebulised trial solution.
5-152 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.