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Median and interquartile range (IQR) of voluntary and reflexive peak cough flow (PCF)
| ND group | Control group | |
|---|---|---|
| Voluntary cough; median PCF (IQR) | 2.89 (2.00–4.96) | 6.72 (6.11–9.20) |
| Reflexive cough; median PCF (IQR) | 5.90 (3.45–7.73) | 6.00 (5.04–7.79) |
PCF peak cough flow (L/s), IQR interquartile range
