Patients characteristics
| All patients | Patients with coughing | Patients with wheezing | |
|---|---|---|---|
| Variable | (n=128) | (n=53) | (n=19) |
| Sex | |||
| Male | 119 (93) | 52 (98) | 18 (95) |
| Female | 9 (7) | 1 (2) | 1 (5) |
| Age (y) (mean (SD)) | 52 (15) | 50 (14) | 51 (13) |
| Ethnicity | |||
| Whites | 106 (83) | 44 (83) | 16 (84) |
| Non-Whites | 22 (17) | 9 (17) | 3 (16) |
| Smoking | 35 (27) | 13 (25) | 5 (26) |
| Alcohol consumption | 43 (34) | 17 (32) | 6 (32) |
| Acid contact time (%) (mean (SD)) | 12.2 (1.2) | 10.4 (0.6) | 11.2 (0.9) |
| Endoscopic findings | |||
| Hiatus hernia | 71 (55) | 32 (60) | 11 (58) |
| Erosive oesophagitis | 43 (34) | 19 (36) | 7 (37) |
Values are number (%) or mean (SD).