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Clinical characteristics at presentation showing proportion that presented with vomiting, dehydration, visible peristalsis, palpable epigastric olive mass and other symptoms
| Characteristic | Number | Percentage |
|---|---|---|
| Vomiting | 21 | 100.0 |
| Constipation | 4 | 19.0 |
| Weight loss | 11 | 52.4 |
| Dehydration | 9 | 42.9 |
| Visible gastric peristalsis | 10 | 47.6 |
| Palpable olive epigastric mass | 7 | 33.3 |
| Other symptoms | 4 | 19.0 |
