| Reasons for referrals | Frequency | Percentage |
| Epigastralgia | 235 | 50.54% |
| Abdominal pain | 65 | 13.98% |
| Signs of portal hypertension | 38 | 8.17% |
| Dyspepsia | 31 | 6.67% |
| Vomiting | 20 | 4.30% |
| Gastrointestinal bleeding | 19 | 4.09% |
| Dysphagia | 15 | 3.23% |
| Retrosternal pain | 12 | 2.58% |
| Alteration of the general condition | 7 | 1.94% |
| Anterior chest pain | 7 | 1.51% |
| Orificial syndrome | 6 | 1.29% |
| Anemia | 5 | 1.08% |
| Epigastric mass | 3 | 0.65% |
| Others* | 11 | 2.37% |
| Total | 465 | 100% |