Table 1.
Cohort | n | Age | Gender (%F) | Skin tests (# positive) | Absolute eosinophil count (cells/μL) | FEV1 (% predicted) | FEV1/FVC | FeNO (ppb) | Methacholine PC20 |
---|---|---|---|---|---|---|---|---|---|
Healthy Control | 11 | 22.8±0.4 | 54.5 | -- | 90±10 | 99.2±4.5 | .86±.01 | 12.9±2.0 | >25 |
Allergic Rhinitis | 17 | 21.5±0.7 | 58.8 | 4.8±0.5 | 150±20 | 98.9±2.2 | .83±.01 | 24.1±3.3 | >25 |
Asthma | 17 | 21.7±0.5 | 52.9 | 4.3±1.1 | 250±140 | 88.3±5.1 | .81±.03 | 53.8±18.0 | 1.89±0.7 |
Abbreviations: FeNO – fractional exhaled breath nitric oxide; FEV1 – forced expiratory volume, 1 second; FVC – forced vital capacity; PC – provocative concentration