Comparison on clinical characteristics of bronchiectasis patients with and without capsaicin cough hypersensitivity.

Numerical data were presented as mean ± standard deviation for normal distribution or otherwise median (interquartile range). Categorical data were expressed as number (percentage) and compared with chi-square test.
PPM: potentially pathogenic microorganism.
A minority of patients had dual etiologies, therefore the sum of proportion of individual etiologies was greater than 100%.
Data in boldface indicated statistical significance.
Comparison on clinical characteristics of bronchiectasis patients with and without capsaicin cough hypersensitivity.