Table 1 Clinical characteristics of individuals from the Saguenay–Lac-Saint-Jean asthma familial collection
From: DNA methylation signature of interleukin 1 receptor type II in asthma
Characteristics | All individuals (n = 93) | Controls (n = 25) | Asthmaticsa and/or atopicsb (n = 68) |
|---|---|---|---|
Sex ratio (M:F) | 1:1.2 | 1:1.8 | 1:1 |
Mean age, year (range) | 15 (3–46) | 14 (3–44) | 15 (4–46) |
<16 years old, n (%) | 64 (69) | 18 (72) | 46 (68) |
FEV1, % predicted (SD)c | 62 (40) | 63 (40) | 62 (40) |
PC20, mg/ml (SD)d | 8.2 (4.3) | 15.3 (3.4) | 6.8 (4.4) |
Serum IgE, μg/l (SD)e | 109 (5) | 36 (4) | 157 (4) |
Asthma, n (%)a | 47 (51) | NA | 47 (69) |
Atopy, n (%)b | 47 (51) | NA | 47 (69) |
With asthma, n (%)a | 26 (28) | NA | 26 (38) |