Clinical and demographic characteristics of the study population
| Patient characteristics | |
|---|---|
| Total number of patients | 49 |
| Median age (years) | 54 |
| Female gender | 32 (65.3%) |
| Number of patients presenting symptoms | |
| Cough | 49 (100%) |
| Heartburn | 23 (46.9%) |
| Regurgitation | 17 (34.7%) |