Characteristics of study subjects
| Non-wheezers(n = 84) | Wheezers(n = 58) | Mean difference (95% CI)non-wheezers v wheezers | |
|---|---|---|---|
| Data are shown as mean (SD) and range. | |||
| *p<0.05, †p<0.0001. | |||
| Age (years) | |||
| Mean (SD) | 7.56 (1.41) | 7.10 (1.46) | 0.46 (−0.02 to 0.95) |
| Range | 4.98–9.83 | 4.94–9.99 | |
| Male, n (%) | 45 (48%) | 40 (69%) | 14% (−4 to 32) |
| Height (cm) | |||
| Mean (SD) | 125.7 (10.4) | 122.1 (10.1) | 3.6 (0.2 to 7.1)* |
| Range | 102.0–152.0 | 106.4–151.4 | |
| FEV1 (% predicted) | |||
| Mean (SD) | 96.7 (10.7) | 84.5 (15.1) | 12.1 (7.6 to 16.7)† |
| Range | 80–129 | 41–115 | |
| ΔFEV1 (% predicted) | |||
| Mean (SD) | 3.76 (4.94) | 9.09 (8.28) | −5.32 (−7.74 to −2.91)† |
| Range | (−12.11 to 12.03) | (−9.04 to 35.00) | |