Correlation between cough sound intensity (CSI) and peak cough flow rate
| Correlation between cough sound intensity and peak cough flow rate | |
|---|---|
| Cough sound intensity from laryngeal microphone | 0.84 (0.75–0.90) |
| Cough sound intensity from free-field microphone | 0.88 (0.79–0.92) |
| Time-constant CSI from laryngeal microphone | 0.82 (0.77–0.90) |
| Time-constant CSI from free-field microphone | 0.87 (0.79–0.91) |
Data presented as median (IQR) Spearman correlation coefficients. All p-values <0.01.