From: Identification of acid reflux cough using serial assays of exhaled breath condensate pH
Subgroup | Age (years) | Sex | EBC pH Median (25–75% range) |
---|---|---|---|
Pharyngeal Acid Challenge (n = 15) | 28.8 ± 10 | 10 F 5 M | 8.0 (7.9–8.0) (n = 15 samples from before challenge) |
Normal Subjects (n = 22) | 35.17 | 13 F 9 M | 8.1 (8.0–8.2) (n = 174 samples) |
Chronic Cough Subjects (n = 22) | 28 ± 23 | 7 F 15 M | 7.9 (7.6–8.0) (n = 166 samples) |