Table 9 Summary of the characteristics of the studies reviewed in Table 8
From: Helicobacter pylori infection and circulating ghrelin levels - A systematic review
Characteristic | n | % | |
|---|---|---|---|
Study Design | Cohort | 12 | 92.31 |
| Â | RCT | 1 | 7.69 |
Gender studied | Both | 11 | 84.62 |
| Â | Men | 1 | 7.69 |
| Â | Women | 1 | 7.69 |
Region | Africa | 1 | 7.69 |
| Â | Asia | 8 | 61.54 |
| Â | Europe | 4 | 30.77 |
Health status | Both | 2 | 15.38 |
| Â | Healthy | 3 | 23.08 |
| Â | Sick | 8 | 61.54 |
Age Group | Adults | 11 | 84.62 |
| Â | Children | 2 | 15.38 |
Type of Sickness | GI Symptoms | 9 | 90 |
| Â | PEM | 1 | 10 |
HP assessment methods used | One | 3 | 23.08 |
| Â | Two or more | 10 | 76.92 |
Assay Type | ELISA | 2 | 15.38 |
| Â | Commercial RIA | 8 | 61.54 |
| Â | In-house RIA | 3 | 23.08 |
Sample Size | Above 20 | 6 | 46.15 |
| Â | Below 20 | 7 | 53.85 |
Sample Storage | -70°C and below | 11 | 84.62 |
|  | Above -70°C | 1 | 7.69 |
| Â | Not described | 1 | 7.69 |
Sample type | Plasma | 11 | 84.62 |
| Â | Serum | 2 | 15.38 |
BMI of participants | Normal | 10 | 76.92 |
| Â | Others | 3 | 23.07 |
Duration of follow-up | 4 weeks & below | 6 | 46.15 |
| Â | Above 4 weeks | 6 | 46.15 |
| Â | Not recorded | 1 | 7.69 |
Change in ghrelin after cure | Decreased | 3 | 23.08 |
| Â | Increased | 3 | 23.08 |
| Â | No difference | 7 | 53.85 |