Table 4.
Time trend of N. meningitidis serogroups in IMD in China, 2010–2020.
| Item | NmA |
NmB |
NmC |
NmW |
NmY |
Others |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010–2014 | 2015– | 2010–2014 | 2015– | 2010–2014 | 2015– | 2010-2014 | 2015- | 2010–2014 | 2015– | 2010–2014 | 2015– | |
| Study | 5 | 1 | 7 | 5 | 10 | 3 | 5 | 3 | 1 | 1 | 4 | 2 |
| Case | 18 | 14 | 37 | 120 | 116 | 73 | 57 | 23 | 1 | 5 | 25 | 87 |
| Sample size | 206 | 296 | 229 | 322 | 246 | 317 | 159 | 312 | 116 | 296 | 194 | 309 |
| I2 | 79% | - | 80% | 69% | 81% | - | 80% | 57% | - | - | 83% | - |
| P-value | <.01 | - | <.01 | = .01 | <.01 | >.01 | <.01 | >.01 | - | - | <.01 | >.01 |
| Model | random | random | random | random | random | random | Random | Random | - | - | Random | Random |
| Proportion (%) | 14.0 | 4.7 | 22.3 | 52.4 | 59.6 | 22.8 | 24.4 | 16.8 | 0.9 | 1.7 | 23.1 | 28.1 |
| 95% CI | 1.1–26.9 | 2.6–7.8 | 9.8–34.8 | 31.8–73.1 | 43.8–75.4 | 18.2–27.4 | 5.9–42.9 | 0–36.9 | 0.0–4.7 | 0.6–3.9 | 6.4–39.8 | 23.1–33.1 |