Research Article

Assessment of Airway Bronchodilation by Spirometry Compared to Airway Obstruction in Young Children with Asthma

Table 1

Anthropometric and baseline lung function (% GLI).

Healthy ()Asthma ()
Mild ()Moderate ()Severe ()

M/F54/3650/3574/6824/20
Age (y)5.1 ± 1.14.8 ± 0.94.7 ± 1.14.7 ± 1.1
Ht (cm)110 ± 8108 ± 8109 ± 7108 ± 9
Wt (kg)19.5 ± 3.519 ± 418 ± 419 ± 5

Baseline spirometry (% predicted)
FVC96 (94–98)87 (86–91)72 (72–74)55 (52–58)
FEV1102 (100–104)88 (97–91)71 (70–72)55 (51–54)
FEV0.598 (98–103)87 (87–91)68 (68–71)57 (53–56)
PEF92 (90–94)80 (77–83)65 (63–68)48 (49–55)
FEF25–7591 (90–98)77 (73–81)65 (63–70)48 (43–52)
FEF5096 (94–101)71 (67–76) 56 (54–60)39 (38–44)

Values are presented as median and 95% confidence limit.