Table 1.
Characteristics of 433 Korean asthma patients
| Characteristics | Korean asthma patients mean ± SD / N (%) |
|---|---|
| Age, years | 49.5 ± 15.6 |
| Sex (%) | |
| Male | 175 (40.4) |
| Age at diagnosis, yearsa | 45.3 ± 16.2 |
| Age group at diagnosisa | |
| 0 ~ 19 | 23 |
| ≥ 20 | 338 |
| Smoking status (%) | |
| Current | 53 (12.2) |
| Ever | 133 (30.7) |
| Never | 247 (57.0) |
| Atopy (%) | 198 (45.7) |
| FEV1 pred.a (%) | 75.4 ± 18.0 |
| < 80 | 223 (53.7) |
| ≥ 80 | 192 (46.3) |
| FEV1/FVCa (%) | 72.8 ± 13.4 |
| < 70 | 166 (40.0) |
| ≥ 70 | 249 (60.0) |
| Blood eosinophil counta (cells/µL) | 431.3 ± 448.6 |
| < 150 | 110 (25.9) |
| ≥ 150 | 314 (74.1) |
| Dose of ICSa | |
| Medium or high dose | 225 (53.8) |
| Low dose | 193 (46.2) |
| Total IgEa (IU/mL) | 426.0 ± 686.7 |
| < 100 | 128 (33.2) |
| ≥ 100 | 257 (66.8) |
All data are presented as the mean ± standard deviation (SD) or the number of participants (%)
aparticipants available with this data were analyzed
FEV1 pred predicted forced expiratory volume in 1 s, FVC Forced vital capacity, ICS Inhaled corticosteroids