Clinical characteristics of subjects with asthma and cat allergy
| Responders(n = 12) | Non-responders(n = 12) | |
|---|---|---|
| FEV1, forced expiratory volume in 1 s; PC20 histamine, concentration of histamine provoking a fall in FEV1 of 20% or more. | ||
| Values shown are numbers or median (interquartile range). | ||
| *p = 0.002. | ||
| Ratio M:F | 4:8 | 6:6 |
| Age (years) | 27 (26–34) | 28 (22.5–28.5) |
| Baseline FEV1 (% pred) | 93.8 (87.5–102.7) | 92.8 (86.1–95.6) |
| PC20 histamine (mg/ml) | 3.99 (1.67–12.5) | 3.99 (1.93–4.63) |
| Total IgE (IU/ml) | 134 (96–248.5) | 256.5 (197.5–674.5) |
| Cat RAST (IU/ml)* | 29.2 (6.17–43.9) | 3.49 (1.98–7.07) |