Anthropometric and tidal breathing data of children (study I)
| Healthy (n=75) | Acute wheeze (n=26) | p Value | |
|---|---|---|---|
| Age (year) | 4.8 (4.3; 5.2) | 4.8 (3.9; 6.0) | 0.93 |
| Height (cm) | 108.3 (105.9; 116.9) | 110.6 (102.1; 118.5) | 0.24 |
| Weight (kg) | 19.0 (16.2; 21.1) | 20.7 (17.7; 23.6) | 0.46 |
| Tidal volume (mL) | 289 (232; 378) | 337 (270; 428) | 0.15 |
| Fbr (breath/min) | 28 (23; 32) | 26 (22; 34) | 0.30 |
| TE/Ttot | 0.54 (0.52; 0.57) | 0.57 (0.55; 0.59) | 0.002* |
| V′maxE/V′maxI | 0.88 (0.81; 0.97) | 0.81 (0.72; 0.92) | 0.014* |
Data are presented as median (25th percentile; 75th percentile).
*Statistically significant difference.
Fbr, breathing frequency; TE, time of expiration; Ttot, total time of a breathing cycle; V′maxE, maximum expiratory flow; VmaxI, maximum inspiratory flow.