Table 2. Health center microscopy compared to expert microscopy: any malaria species.
Health center | Sensitivity % (95% CI) | Specificity % (95% CI) | Positive predictive value % (95% CI) | Negative predictive value % (95% CI) |
Shinfa | 94.6 (88.1–97.9) | 96.6 (90.5–99.3) | 97.2 (92.1–99.4) | 93.5 (86.3–97.6) |
Ambessame | 92.2 (85.3–96.6) | 100.0 (96.3–100) | 100.0 (96.2–100) | 92.4 (85.5–96.7) |
Kola Diba | 91.4 (82.3–96.8) | 98.5 (94.6–99.8) | 96.9 (89.5–99.6) | 95.5 (90.5–98.3) |
Kokit | 82.7 (69.7–91.8) | 99.3 (96.3–99.9) | 97.7 (87.9–99.9) | 94.2 (89.3–97.3) |
Woreta | 91.2 (76.3–98.1) | 95.2 (90.7–97.9) | 79.5 (63.5–90.7) | 98.1 (94.7–99.6) |
Deligi | 96.3 (81.0–99.9) | 95.9 (91.8–98.3) | 78.8 (61.1–91.0) | 99.4 (96.7–99.9) |
Alember | 73.1 (52.2–88.4) | 99.4 (96.9–99.9) | 95.0 (75.1–99.9) | 96.1 (92.2–98.4) |
Yejube | 77.3 (54.6–92.2) | 99.4 (96.9–99.9) | 94.4 (72.7–99.9) | 93.7 (93.7–99.1) |
Meruto Lemariam | 76.2 (52.8–91.8) | 100.0 (97.9–100) | 100.0 (79.4–100) | 97.3 (93.4–99.1) |
Jiga | 44.4 (13.7–78.8) | 98.9 (96.3–99.9) | 66.7 (22.3–95.7) | 97.4 (94.1–99.2) |
TOTAL | 88.4 (85.2–91.2) | 98.4 (97.6–98.9) | 94.4 (91.8–96.3) | 96.5 (95.4–97.3) |