Table 5 Characteristics of clinical source, detection methods and underlying diseases of the included studies
| Â | Variables (No of studies) | No. of studies | No. of patients | No. of patients/Total |
|---|---|---|---|---|
Clinical source | Serum | 67 | 5879 | 5879/6775 (86.77) |
Gastric biopsy | 4 | 247 | 247/6775 (3.64) | |
| Â | Stool | 1 | 28 | 28/6775 (0.41) |
| Â | Breath | 10 | 540 | 540/6775 (7.97) |
| Â | Tissue | 5 | 81 | 81/6775 (1.19) |
H. pylori detection method | Histology (H&E statining OR Giemsa staining) | 2 | 126 | 126/6775 (1.86) |
serology | 67 | 5879 | 5879/6775 (86.77) | |
PCR | 5 | 81 | 81/6775 (1.19) | |
urease breath test | 10 | 540 | 540/6775 (7.97) | |
stool antigen test | 1 | 28 | 28/6775 (0.41) | |
Rapid urease test | 2 | 121 | 121/6775 (1.78) | |
Underlying disease | Hypertension | 9 | 331 | 331/6775 (4.8) |
Diabetes | 8 | 175 | 175/6775 (2.58) | |
Obesity | 1 | 9 | 9/6775 (0.13) | |
NR | 77 | 6267 | 6267/6775 (92.5) |