Validation of the Hong Kong Chinese version of the St. George Respiratory Questionnaire in patients with bronchiectasis.

Study Objectives: To validate the Hong Kong Chinese version of the St. George Respiratory Questionnaire (SGRQ-HK) in patients with bronchiectasis.

Design And Setting: Outpatients (93 patients; 61 women; mean age [+/- SD], 59.

Exhaled and sputum nitric oxide in bronchiectasis: correlation with clinical parameters.

Study Objectives: Although there has been tremendous attention on endogenous nitric oxide (NO) production in many respiratory and systemic diseases, little is known on NO production in bronchiectasis.

Design And Setting: We determined exhaled and sputum NO levels in 109 patients with stable bronchiectasis (71 women; mean +/- SD age, 58.2 +/- 14.