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Average percentage change from baseline in forced expiratory volume (FEV1) following nasal and nasal/ocular exposure to ammonia for asthmatics and healthy controls.
| Post Nasal | Post Combined | Post 1 Hour | ||||
|---|---|---|---|---|---|---|
| Mean | SEM | Mean | SEM | Mean | SEM | |
| Asthmatic | 0.31 | −1.59 | −0.21 | −1.43 | 0.52 | −1.76 |
| Healthy | 0.26 | 1.03 | −0.11 | 0.92 | 0.31 | 1.03 |
