Table 1.
Epidemiologic and Clinical Characteristics of 325 Children With Asthma
Epidemiologic and Clinical Characteristics | Value |
---|---|
Sex, No. (%), male | 190 (58.5) |
Age at recruitment, ya | 9.1 (1.8) |
Height, cm | 132.1 (11.5) |
Weight, kg | 32.5 (11.3) |
BMI, kg/m2 | 18.1 (3.9) |
Controller treatment, No. (%), yes | 297 (91.4) |
Baseline FEV1, L | 1.8 (0.5) |
Baseline FEV1/FVC ratio, % | 86.5 (7.7) |
Postbronchodilator FEV1/FVC ratio, % | 89.1 (6.7) |
Airway responsiveness measured by methacholine challenge, PD20, μmol | 1.7 (2.1) |
FEV11 bronchodilator response, % | 5.0 (8.7) |
Values are mean (SD) or as otherwise indicated. Controller treatment = receiving regular treatment for the control of chronic symptoms in the form of oral or inhaled steroids, prednisone, long-acting inhaled B2 agonists, or leukotriene inhibitors/modifiers; FEV11 bronchodilator response = bronchodilator response as % of baseline FEV1; PD20 = 20% drop in FEV1.
Lung function testing and blood draw performed at recruitment.