Table 1

Patient characteristics at baseline examination according to asthma severity

ParameterAsthma severity (expert system)p‐value#
MildModerateSevere
Patients n16611683
Age yrs0.02
 Mean±sd40±1744±1544±16
 Median (range)39 (8–79)46 (17–75)45 (13–77)
Sex female %5766530.12
BMI0.02
 Mean±sd23±424±525±5
 Median (range)22 (14–42)24 (17–45)25 (15–43)
Duration of asthma yrs0.03
 Mean±sd15±1320±1520±15
 Median (range)13 (0–64)17 (0–65)16 (0–63)
FEV1 % pred<0.01
 Mean±sd87±1679±1855±23
 Median (range)87 (50–130)80 (45–122)48 (13–128)
Atopy %7063600.20
Rhinitis %7065690.58
Current smokers %1415120.85
  • #: p‐values were calculated with the Kruskal-Wallis or Chi-squared tests