Table 1.
Laboratory and spirometry results before during and after the episode of exacerbation of asthma
| Date | |||||||
| January 2006 | January 2007 | February 2008 | April 2008 | May 2008 | Fentanyl discontinued June 2008 | August 2008 | |
| FEV1 (litre) | 3.74 | 3.62 | 2.12 | N/A | 3.68 | ||
| FVC (litre) | 4.66 | 4.54 | 3.68 | N/A | 4.40 | ||
| FEV1/FVC (%) | 80 | 80 | 58 | N/A | 83 | ||
| Serum IgE (<100 KU/litre) | 165 | 174 | N/A | 146 | |||
| WBC (4.0–11.0×109/litre) | 6.3 | 9.8 | 10.3 | N/A | 5.6 | ||
| Absolute eosinophil count (0.0–0.5×109/litre) | 0.7 | 2.5 | 4.29 | N/A | 0.8 | ||
FEV1, Forced expiratory volume in 1 s; FVC, forced vital capacity; WBC, white blood cell count.