Table 1

Characteristics of patients with asthma or COPD

AsthmaCOPDp value
Values are mean (95% confidence intervals).
p values <0.05 were considered statistically significant (Mann-Whitney test).
Age (years)33 (26 to 49.8)60 (51.5 to 66.8)<0.0001
Sex (M/F)32/1844/60.01
FEV1 (%)94.5 (79.3 to 100)59.0 (45.6 to 67.8)<0.0001
Reversibility β2 (%)14 (11.5 to 18)5 (0 to 9)0.0002
Allergy (%)700
Smoking (pack years)0 (0 to 0.75)40 (40 to 50)