Correlations between cough assessment scores and spirometric parameters, indicators of nasal respiratory function, indicators of SNOT-22, and anthropometric parameters (all, n = 122)
| Parameters | Cough (scores) | |
|---|---|---|
| r | P-value | |
| z FVC | –0.06 | 0.516 |
| z FEV1 | –0.23 | 0.012 |
| z FEV1/FVC | –0.21 | 0.023 |
| Change of FEV1 in tests with bronchodilator, n = 50 | 0.43 | 0.002 |
| PNIF, L/min | –0.11 | 0.239 |
| PNIF/FVC | –0.16 | 0.083 |
| PNIF/FVC (without children with polyps in the cavity of the nasal passages), n =114 | –0.18 | 0.056 |
| Eosinophils, 109/L | 0.27 | 0.004 |
| Total IgE, ME/mL | 0.15 | 0.150 |
| SNOT-22, score | 0.45 | < 0.001 |
| Postnasal discharge, score | 0.43 | < 0.001 |
PNIF: peak nasal inspiratory flow; FVC: forced vital capacity of the lungs; FEV1: forced expiratory volume in the first second; SNOT-22: Sinonasal Outcome Test-22; IgE: immunoglobulin E