Table III.
Pearson's correlation of inflammation in the upper and lower airway.
| Induce sputum | |||
|---|---|---|---|
| Nasal lavage | Eos (%) | Nu (%) | FeNO (ppb) |
| Healthy subjects | |||
| Eosinophils (%) | 0.239 (0.479) | −0.546 (0.082) | −0.221 (0.467) |
| Neutrophils (%) | −0.033 (0.924) | 0.673a (0.023) | −0.087 (0.777) |
| FeNO (ppb) | −0.111 (0.732) | 0.057 (0.861) | |
| AR only | |||
| Eosinophils (%) | 0.405 (0.135) | −0.232 (0.406) | 0.207 (0.411) |
| Neutrophils (%) | −0.296 (0.284) | −0.083 (0.770) | −0.353 (0.150) |
| FeNO (ppb) | 0.764b (0.001) | −0.461 (0.072) | |
| CARAS initially presenting with AR | |||
| Eosinophils (%) | 0.526a (0.030) | −0.138 (0.597) | 0.075 (0.761) |
| Neutrophils (%) | −0.535a (0.027) | 0.127 (0.627) | −0.135 (0.583) |
| FeNO (ppb) | 0.619b (0.008) | −0.379 (0.134) | |
| CARAS initially presenting with asthma | |||
| Eosinophils (%) | 0.315 (0.318) | −0.347 (0.269) | 0.392 (0.208) |
| Neutrophils (%) | −0.329 (0.297) | 0.351 (0.263) | −0.379 (0.225) |
| FeNO (ppb) | 0.701b (0.005) | −0.789b (0.001) | |
Data are expressed as the mean ± standard deviation.
a
P<0.05.
b
P<0.01. Eos, eosinophil; Nu, neutrophil; AR, allergic rhinitis; CARAS, combined allergic rhinitis and asthma syndrome.