| symptoms | Number | Percentage |
| Heartburn | 2 | 5.3 |
| Regurgitation | 7 | 18.4 |
| vomiting | 30 | 79 |
| dysphagia | 5 | 10.5 |
| cough | 18 | 47.3 |
| Chest pain | 0 | 0 |
| Apnea attack | 3 | 7.9 |
| Weight loss | 5 | 13.2 |
| GI bleeding | 0 | 0 |
| Loss of appetite | 12 | 32 |
| Exacerbation of the symptoms with oral intake | 3 | 7.9 |