Serogroup | Number of studies | Antibiotic | Resistance rate (%) (95% CI) | Heterogeneity test | Begg’s test** p-value (two-tailed) | Egger’s test*** p-value (two-tailed) | ||||
---|---|---|---|---|---|---|---|---|---|---|
Min | Max | Pooled* (range) | I2 (%) | p-value | a | b | ||||
O1 | 44 16 | TET DOX | 0 0 | 100 56 | 0.2 (0.1–0.3) 0.07 (0.03–0.1) | 96.9 92.5 |  < 0.001  < 0.001 | 0.2 0.7 | 0.2 0.8 | 0.03 0.005 |
O139 | 2 1 | TET DOX | 0 NA | 2.5 NA | 0.02 (0.01–0.04) 0.004 (0.0–0.06) | 43 0.0 | 0.2 1.0 | NA NA | NA NA | NA NA |
Non-O1, non-O139 | 8 3 | TET DOX | 2.1 0.8 | 65.3 88.7 | 0.1 (0.05–0.3) 0.1 (0.001–0.9) | 95.5 97.7 |  < 0.001  < 0.001 | 0.2 0.6 | 0.3 1.0 | 0.06 0.3 |