Table 3 Pooled sensitivity and specificity from randomised (left) and non-randomised (right) studies that compared self-collected to provider-collected samples for GBS testing
Randomised studies (4 studies, 1226 participants) | Non-randomised studies (7 studies, 2043 participants) | |||||||
|---|---|---|---|---|---|---|---|---|
| Â | Coef | Std. err | 95% conf. interval | Coef | Std. err | 95% conf. interval | ||
Se | 0.82 | 0.06 | 0.66 | 0.91 | 0.91 | 0.03 | 0.83 | 0.96 |
Sp | 0.99 | 0.00 | 0.98 | 0.99 | 0.97 | 0.01 | 0.94 | 0.99 |
DOR | 458.48 | 212.39 | 184.93 | 1136.69 | 373.86 | 179.32 | 146.03 | 957.15 |
LR +  | 83.46 | 27.06 | 44.21 | 157.57 | 33.11 | 12.76 | 15.56 | 70.45 |
LR −  | 0.18 | 0.06 | 0.09 | 0.36 | 0.09 | 0.03 | 0.04 | 0.18 |
1/LR −  | 5.49 | 1.92 | 2.77 | 10.90 | 11.29 | 3.95 | 5.68 | 22.43 |