Table 1:
Clinical and demographic characteristics
| Characteristic | Overall (n = 175)a | No Cardiorespiratory Event (n = 153)a | Cardiorespiratory Event (n = 22)a | P Valueb |
|---|---|---|---|---|
| Female sex | 96 (55%) | 82 (54%) | 14 (64%) | .376 |
| Age (m) | 28.93 (23.21) | 30.11 (24.17) | 20.43 (11.76) | .004 |
| Weight (kg) | 13.00 (10.00–15.65) | 13.00 (9.90–16.00) | 11.30 (10.00–14.50) | .228 |
| Bronchial hyperreactivity | 19 (11%) | 19 (12%) | 0 (0%) | .136 |
| Rhinitis | 1 (1%) | 1 (1%) | 0 (0%) | >.999 |
| Previous bronchiolitis | 5 (3%) | 5 (3%) | 0 (0%) | >.999 |
| Upper respiratory tract infections <15 days | 8 (5%) | 8 (5%) | 0 (0%) | .598 |
| Parental smoking | 9 (5%) | 7 (5%) | 2 (9%) | .315 |
| No clinical history | 137 (78%) | 117 (76%) | 20 (91%) | .169 |
a
Data are No. (%), mean (SD), median (25th–75th percentiles).
b
Determined by the Pearson χ2 test; Welch 2-sample t test; Fisher exact test; Wilcoxon rank-sum test.