| VARIABLES | PCR result | p-Value | |
| Positive (N = 91) | Negative (N = 9) | ||
| n (%) | n (%) | ||
| Digestive symptoms |
|
|
|
| Nausea | 34 (25.19) | 4 (17.39) | 0.6 |
| Early feeling of fullness | 29 (21.48) | 5 (21.75) | 0.1 |
| Feeling of fullness in the stomach | 22 (16.30) | 4 (17.39) | 0.1 |
| Vomiting | 30 (22.22) | 3 (13.04) | 0.9 |
| Hematemesis | 7 (5.19) | 4 (17.39) | 0.0007 |
| Méléna | 13 (9.62) | 3 (13.04) | 0.1 |