Table 4 The vacA s1m1-positive status and metronidazole resistance
Factors | Random-effects model | Heterogeneity | ||||
|---|---|---|---|---|---|---|
OR | 95%CI | p value | p value | I-squared | ||
Level of country | Developing country | 0.30 | 0.13–0.68 | 0.01 | 0.01 | 86.26 |
Developed country | 0.55 | 0.18–1.65 | 0.01 | 0.01 | 93.33 | |
Sample size | ≥ 100 | 1.13 | 0.84–1.52 | 0.01 | 0.31 | 24.65 |
≤ 100 | 0.28 | 0.13–0.60 | 0.01 | 0.05 | 64.32 | |
Diagnostic test | E-test | 0.64 | 0.26–1.57 | 0.3 | 0.02 | 58.32 |
Agar dilution based | 0.25 | 0.03–1.79 | 0.17 | 0.5 | 32.81 | |
Disk diffusion based | 2.12 | 0.96–4.67 | 0.05 | 0.9 | 0.00 | |
Molecular based | 1.33 | 0.46–3.80 | 0.03 | 0.9 | 0.00 | |