Table 1.
Study cohort characteristics at the start of CAMP (except # of steroid bursts in one year) stratified by asthma exacerbation status
| No. Subjects | No Exacerbationa N = 115 |
Exacerbationa N = 38 |
|
|---|---|---|---|
| Characteristic | Mean (SD) | Mean (SD) | p-value |
| Age – years | 8.9 (2.0) | 8.9 (2.2) | 0.93 |
| Male sex – % | 54% | 61% | 0.48* |
| Height – centimetre | 133.2 (13.4) | 132.8 (13.8) | 0.86 |
| Body Mass Index – percentile | 61.5 (28.3) | 63.1 (26.4) | 0.75 |
| Forced Expiratory Volume pre-bronchodilator – litre | 1.7 (0.5) | 1.6 (0.5) | 0.71 |
| # of steroid bursts in one yeara | 0.3 (0.4) | 3.2 (1.7) | 1.4 × 10− 12 |
| Clinical Asthma Exacerbation Score (# of subjects) | Low 13 Average 43 High 59 |
Low 1 Average 10 High 27 |
0.08^ |
(SD) is standard deviation, where present
aExacerbation status: Participant who received 0–1 steroid burst in one year were classified as “no exacerbations.” Two or more steroid bursts were classified as “exacerbation”
*Chi-square test. ^Fisher’s exact test. Others p-values calculated by two-sided t-test assuming non-equal variance