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Clinical parameters of 146 GERD patients
| SYMPTOMS | HP positive | HP negative | P |
| Patients | 35/146 | 111/146 | |
| Regurgitation (%) | 15 (42.8%) | 68 (61.2%) | N.S. |
| Dysphagia (%) | 3 (8.6%) | 23 (20.7%) | N.S. |
| Heartburn (%) | 16 (45.7%) | 68 (61.2%) | N.S. |
| Epigastric pain (%) | 6 (17.%) | 19 (17.1%) | N.S. |
| Thoracic pain (%) | 12 (34.3%) | 50 (45%) | N.S. |
| Dispepsia (%) | 5 (14.3%) | 19 (17.1%) | N.S. |
| Other symptoms (%) | 6 (17.1%) | 23 (20.7%) | N.S. |
