Table 6 The cagA-positive status and metronidazole resistance
Factors | Random-effects model | Heterogeneity | ||||
|---|---|---|---|---|---|---|
OR | 95% CI | p value | p value | I-squared | ||
Level of country | Developing country | 2.02 | 0.84–4.81 | 0.01 | 0.01 | 55.28 |
Developed country | 3.36 | 1.14 | 0.02 | 0.03 | 67.45 | |
Sample size | ≥ 100 | 2.02 | 0.53–7.60 | 0.01 | 0.01 | 98.05 |
≤ 100 | 3.02 | 1.29–7.043 | 0.01 | 0.01 | 90.97 | |
Diagnostic test | E-test | 2.50 | 1.07–5.83 | 0.03 | 0.06 | 51.69 |
Agar dilution based | 3.67 | 0.69–19.47 | 0.12 | 0.04 | 63.97 | |
Disk diffusion based | 1.17 | 0.41–3.33 | 0.01 | 0.93 | 0.00 | |
Molecular based | 0.23 | 0.11–0.49 | 0.01 | 0.9 | 0.00 | |