From: Severe and uncontrolled adult asthma is associated with vitamin D insufficiency and deficiency
 | Asthma (n = 280) | Healthy controls (n = 40) | p-value |
---|---|---|---|
Age (years) | 45.0 ± 13.8 | 37.7 ± 13.5 | 0.002 |
Gender (male), n (%) | 111 (40) | 20 (50) | 0.232 |
Allergy, n (%) | 236 (84) | 22 (55) | <0.001 |
FEV1 (L) | 2.5 ± 0.9 | 3.8 ± 1.0 | <0.001 |
FEV1 (% of pred.) | 74.9 ± 23.4 | 103.6 ± 13.3 | <0.001 |
Exhaled NO (ppb) | 40.6 ± 41.5 | 19.6 ± 9.5 | <0.001 |
ICS use, n (%) | 202 (82) | - | - |
OCS use, n (%) | 75 (28) | - | - |
Asthma severity, n (%) | Â | - | Â |
 • Intermittent | • 18 (6.4) |  |  |
 • Mild | • 54 (19.3) |  |  |
 • Moderate | • 53 (18.9) |  |  |
 • Severe | • 155 (55.4) |  |  |
Asthma control, n (%) | Â | - | Â |
 • Controlled | • 44 (15.7) |  |  |
 • Partly controlled | • 92 (32.9) |  |  |
 • Uncontrolled | • 144 (51.4) |  |  |