Relationship between sex, maternal smoking, maternal asthma, and mite allergen exposure (possible confounders) and mean (SD) V′maxFRC (ml/s) and size adjusted V′maxFRC(ml/s/cm)
| V′maxFRC | p value | Size adjusted V′maxFRC | p value | |
|---|---|---|---|---|
| V′maxFRC=maximum flow at functional residual capacity. | ||||
| Sex | ||||
| Boys (n=34) | 86.7 (46.5) | 0.02 | 1.52 (0.80) | 0.013 |
| Girls (n=35) | 116.2 (58.2) | 2.09 (1.03) | ||
| Maternal smoking | ||||
| Yes (n=8) | 122.1 (63.3) | 0.26 | 2.2 (1.11) | 0.20 |
| No (n=61) | 99.0 (53.2) | 1.75 (0.93) | ||
| Maternal asthma | ||||
| Yes (n=32) | 115.3 (52.1) | 0.053 | 2.05 (0.89) | 0.06 |
| No (n=37) | 89.9 (54.4) | 1.60 (0.98) | ||
| Maternal Der 1 | ||||
| <2 μg/g (n=57) | 101.2 (52.7) | 0.89 | 1.79 (0.92) | 0.83 |
| >2 μg/g (n=12) | 103.6 (64.7) | 1.86 (1.17) | ||