Table 4 Accuracy of RDT in comparison with PCR for detecting placental malaria infection at Gadarif Hospital, Eastern Sudan
| Â | Â | PCR | Â | Â | ||
|---|---|---|---|---|---|---|
| Â | Â | Positive | Negative | Total | Accuracy measure (95% CI) | |
RDT | Positive | 3 | 24 | 27 | Sensitivity | 14.3 (3.8–34.1) |
|  | Negative | 18 | 105 | 123 | Specificity | 81.4 (74.0–87.4) |
Total |  | 21 | 129 | 150 | Positive predictive value | 11.1 (3.0–27.3) |
|  |  |  |  |  | Negative predictive value | 85.4 (78.3–90.8) |