Table 3.
Characteristic of patients with persistent abdominal pain
| No. | Abdominal pain before zinc sulphate therapy | Duration of zinc sulphate therapy before abdominal pain occurred (wk) | EGD before intervention | Intervention | Abdominal pain after intervention | EDG after intervention | Additional intervention | Abdominal pain after additional intervention | EGD after additional intervention |
| 1 | Yes | Lack of data | Gastritis with mucosal ulceration | PPI | Yes | Ulcer scar | No | - | - |
| 2 | No | 96 | Gastritis with mucosal ulceration | PPI | No | No | No | - | - |
| 3 | No | 28 | Gastritis with mucosal ulceration | PPI | Yes | Gastritis with mucosal ulceration | Conversion to D-penicillamine | No | No |
| 4 | No | 144 | Gastritis with mucosal ulceration | PPI | Yes | Gastritis | Conversion to D-penicillamine | No | No |
| 5 | No | 12 | Gastritis with mucosal erosion | PPI | No | No | No | - | - |
| 6 | No | 96 | Gastritis with mucosal ulceration | PPI | Yes | No | Conversion to D-penicillamine | No | Normal findings |
| 7 | No | 96 | Gastritis with mucosal erosion | PPI | Yes | No | Conversion to D-penicillamine | No | Normal findings |
EGD: Esophagogastroduodenoscopy; PPI: Proton pump inhibitor.