Table I.
Patients' characteristics
| Patients with SS asthma (n = 12) | Patients with SR asthma (n = 23) | P value | |
|---|---|---|---|
| Age (y) | 49.0 (40.7-57.3) | 51.8 (45.9-57.8) | |
| Ethnic origin | |||
| White | 9 (75.0) | 17 (73.9) | |
| African | 3 (25.0) | 5 (21.7) | |
| Asian | 0 | 1 (4.4) | |
| Sex | |||
| Male/female | 4 (33.3)/8 (66.6) | 14 (60.8)/9 (39.2) | |
| Atopic∗ | 10 (83.3) | 19 (82.6) | |
| BMI (kg/m2) | 31.8 (28.0-35.6) | 28.2 (26.2-30.2) | .06 |
| Inhaled corticosteroid dose (BDP) | 1113 (798-1469) | 1225 (985-1520) | .60 |
| FEV1 (L) | |||
| Before steroids | 1.7 (1.4-1.9) | 1.9 (1.7-2.1) | .13 |
| After steroids | 2.1 (1.8-2.4) | 1.8 (1.6-2.1) | |
| FEV1 (%) | |||
| Before steroids | 56.0 (47.4-64.6) | 61.3 (55.3-67.3) | .97 |
| After steroids | 70.8 (62.6-79.0) | 59.7 (52.8-66.5) | |
| Serum 25(OH)D (nmol/L) | 38.8 (27.6-50.1) | 36.9 (27.6-46.2) | .51 |
Where applicable, data are means with 95% CIs or frequencies (percentages). P values are shown for noncategorical clinical parameters assessed by using an unpaired t test.
BDP, Daily beclomethasone dipropionate equivalent dosage according to the British Thoracic Society/SIGN guidelines on the management of asthma31; BMI, body mass index.
∗
Atopy was defined based on skin prick test responses.