Table 5 Pooled proportion of serotype distributions among GBS isolated from pregnant women in Africa since 1989 to 31th January 2019
Serotypes | No. of studies reporting serotypes | No. of isolates reported for each serotype | Estimated proportion of each serotype (95% CI) | I2 (%)a | p-value |
|---|---|---|---|---|---|
Ia | 15 | 426 | 17.644 (11.878, 23.409) | 97.7 | 0.000 |
Ib | 10 | 188 | 15.601 (10.732, 20.469) | 90.3 | 0.000 |
II | 15 | 307 | 12.367 (8.373, 16.361) | 95.4 | 0.000 |
III | 15 | 547 | 19.717 (10.949, 28.484) | 98.2 | 0.000 |
IV | 9 | 64 | 2.587 (1.184, 3.990) | 89.0 | 0.000 |
V | 14 | 591 | 29.226 (19.838, 38.615) | 98.4 | 0.000 |
VI | 3 | 33 | 16.013 (2.307, 29.719) | 96.8 | 0.022 |
VII | 3 | 71 | 30.030 (− 4.383, 64.442) | 97.0 | 0.087 |
VIII | 2 | 30 | 24.418 (− 11.682, 60.518) | 96.2 | 0.185 |
IX | 4 | 64 | 20.977 (4.953, 37.001) | 96.3 | 0.01 |
NT | 9 | 156 | 7.012 (3.379 10.645) | 95.5 | 0.000 |
Otherb | 2 | 9 | 1.614 (− 1.027, 4.256) | 81.1 | 0.231 |