Patient characteristics
| Subject variables | Data |
|---|---|
| Age, mean (range) | 14.3 (9–18 year) |
| Gender number (%) | |
| Female | 14 (32) |
| Male | 29 (68) |
| Race number (%) | |
| Hispanic | 24 (56) |
| White | 14 (32) |
| Black | 5 (12) |
| Anti-inflammatory medications (%) | |
| None | 14 (32) |
| Inhaled corticosteroids | 18 (42) |
| Antileukotrienes alone | 2 (5) |
| Antileukotrienes plus inhaled corticosteroids | 9 (21) |
| FeNO (ppb) mean±SD (43 patients) | 26.6±24.3 |
| FEV1 percent-predicted mean±SD, 38 patients)* | 89.0±14.3 |
| Number (%) with percent-predicted FEV1 <80% | 9 (21%) |
*Predicted from NHANES III in: Hankinson et al.28
FEV1, forced expiratory volume in 1 s.