Table 1. Characteristics of severe asthma exacerbation.
| control | vitamin D>30ng/ml | vitamin D>30ng/ml | |
| sample | 16 | 16 | 16 |
| Age(year) | 46±4 | 45±15 | 50±10 |
| Sexes | 8F 8M | 9F 7M | 8F 8M |
| Leucocyte10*9 | 7.5±1.8 | 11.2±4 | 12.97±4.7 |
| Neutrophils10*9 | 4.7±1.0 | 8. 9±4.5 | 10.6±4.4 |
| Lymphocyte10*9 | 2.0±1.7 | 1.5±1.0 | 1.3±0.5 |
| Eosinophils 10*9 | 0.25±0.04 | 0.20±0.09 | 0.19±0.13 |
| PO2(mmHg) | 57±10 | 53±22 | |
| PCO2(mmHg) | 56±6 | 60±12 | |
| PH | 7.4±0.03 | 7.32±0.06 | |
| Endotoxin(pg/ml) | 19.15±4.95 | 21.91±7.06 | |
| FEV1% | 92.56±9.14 | 42.5±3.98 | 32.25±4.02 |
*Statistically significant (P ≤ 0.05). F for female, and M for male.