Table 2. Comparison of performance of SMHS and mRDT in Rufiji District, Tanzania during 2018–2019.
| Ward | Diagnostic tool | Sensitivity (%) | False negative rate (%) | Specificity (%) | False positive rate (%) |
| Abbreviations: SMHS=standard microscopy in health system; mRDTs=malaria rapid diagnostic tests; LTAs=low transmission areas; HTAs=high transmission areas. | |||||
| Ikwiriri (LTAs) | SMHS | 65.04 (56.10–73.17) | 34.96 (26.83–43.9) | 98.13 (96.98–98.9) | 1.87 (1.1–3.02) |
| mRDTs | 86.99 (80.49–92.68) | 13.01 (7.32–19.51) | 92.52 (90.5–94.39) | 7.48 (5.61–9.5) | |
| Muhoro (HTAs) | SMHS | 76.88 (70.43–82.8) | 23.12 (17.2–29.57) | 98.38 (96.98–98.99) | 1.62 (1.01–3.02) |
| mRDTs | 87.1 (82.26–91.94) | 12.90 (8.06–17.74) | 87.83 (84.99–90.67) | 12.17 (9.33–15.01) | |
| Both | SMHS | 72.17 (67.31–77.02) | 27.83 (22.98–32.69) | 98.23 (97.47–98.91) | 1.77 (1.09–2.53) |
| mRDTs | 87.06 (83.17–90.61) | 12.94 (9.39–16.83) | 90.57 (88.89–92.26) | 9.43 (7.40–11.11) | |