Table 1. Patients’ characteristics.
| Asthma exacerbation patients’ characteristics | (n = 50) | |
|---|---|---|
| Male, n (%) | 19 (38.0) | |
| Mean age, y (range) | 58 (28–92) | |
| Mean age at the asthma onset, y (range) | 38 (2–84) | |
| Atopic asthma, n (%) | 40 (80.0) | |
| Smoking status | Non-smoker, n (%) | 17 (34.0) |
| Ex-smoker, n (%) | 15 (30.0) | |
| Current smoker, n (%) | 18 (36.0) | |
| Co-morbidity | Sinusitis, n (%) | 16 (32.0) |
| COPD, n (%) | 8 (16.0) | |
| Pneumonia, n (%) | 3 (6.0) | |
| IgE (IU/mL) | 597 (0–11837) | |
| ACQ | 3.7 (0.4–5.4) | |
| FeNO (ppb) | 51.7 (8–225) | |
| Asthma exacerbation inpatients | Stable outpatients | |
| n | 48 | 20 |
| Male (%) | 39.6 | 45.0 |
| Age (y) | 57.6 | 60.2 |
| Asthma onset age (y) | 38.4 | 39.9 |
| Duration of disease (y) | 20.2 | 21.3 |
| Current smoker(%) | 37.5* | 5.0 |
| Sinusitis (%) | 29.2 | 15.0 |
| COPD (%) | 16.7 | 5.0 |
| Atopic type (%) | 81.9 | 84.2 |
| IgE(IU/mL) | 617.2 | 574.9 |
| ACQ | 3.7* † | 0.4 |
| FeNO (ppb) | 51.2 | 39.4 |
| Pathogen detection(%) | 70.8 | 75.0 |
| Viral detection (%) | 52.1 | 50.0 |
| Bacterial detection (%) | 37.5 | 30.0 |
*p < 0.05, by Pearson’s χ2 test, Student’s t-test or Mann-Whitney’s U test.
†p < 0.05, by multiple logistic regression analysis.