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The proportion of N. meningitidis serogroups in IMD in China, 2010–2020.
| Item | NmA | NmB | NmC | NmY | NmW | Others |
|---|---|---|---|---|---|---|
| Number of studies | 6 | 10 | 11 | 2 | 7 | 5 |
| Total number of cases | 32 | 158 | 189 | 6 | 83 | 112 |
| Sample size | 515 | 558 | 568 | 425 | 476 | 503 |
| I2(P value) | 80% (P < .01) | 90% (P < .01) | 88% (P < .01) | 0% (P > .01) | 91% (P < .01) | 91% (P < .01) |
| Model | Random | Random | Random | Random | Random | Random |
| Proportion (%) | 7.1 | 30.2 | 49.7 | 1.2 | 23.8 | 24.9 |
| 95% CI | 1.8–12.4 | 17.3–43.0 | 35.8–63.5 | 0.2–2.3 | 7.0–40.7 | 11.0–38.8 |
