Prevalence of first and second most troublesome symptoms at entry to the study
| Symptom | Most troublesome | Second most troublesome | ||||
| Excluded | Non-GORD | GORD | Excluded | Non-GORD | GORD | |
| n=192* | n=105 | n=203 | n=192* | n=105 | n=203 | |
| % | % | % | % | % | % | |
| Heartburn | 33.3 | 21.0 | 40.4 | 18.2 | 14.3 | 25.1 |
| Dyspepsia | 17.7 | 22.9 | 21.2 | 20.8 | 19.0 | 17.2 |
| Bloating | 12.0 | 16.2 | 9.4 | 10.9 | 14.3 | 15.3 |
| Regurgitation | 6.3 | 4.8 | 8.9 | 11.5 | 6.7 | 16.7 |
| Abdominal pain/discomfort, not dyspepsia | 14.6 | 16.2 | 9.9 | 16.7 | 14.3 | 8.9 |
| Belching | 5.2 | 4.8 | 4.4 | 5.2 | 8.6 | 3.9 |
| Early satiety/postprandial fullness | 3.6 | 2.9 | 1.5 | 5.2 | 6.7 | 4.9 |
| Dysphagia | 0.5 | 0 | 2.0 | 2.6 | 1.0 | 1.0 |
| Nausea | 3.6 | 10.5 | 1.5 | 5.7 | 12.4 | 3.9 |
| Pancreatic pain | 1.0 | 1.0 | 0.5 | 2.1 | 2.9 | 2.5 |
| Vomiting | 2.1 | 0 | 0.5 | 1.0 | 0 | 0.5 |
↵* For seven excluded patients, there was no recording of the most and second most troublesome symptoms.
GORD, gastro-oesophageal reflux disease.