Table 3. Health center microscopy compared to expert microscopy: P.falciparum infection only.
Health center | Sensitivity % (95%CI) | Specificity % (95%CI) | Positive predictive value % (95%CI) | Negative predictive value % (95%CI) |
Shinfa | 93.3 (85.1–97.8) | 98.4 (94.3–99.8) | 97.2 (90.3–99.7) | 96.1 (91.1–98.7) |
Ambessame | 93.6 (82.5–98.7) | 100.0 (97.6–100.0) | 100.0 (91.9–100) | 98.1 (94.5–99.6) |
Kola Diba | 89.5 (78.5–96.0) | 98.6 (95.0–99.8) | 96.2 (87.0–99.5) | 95.9 (99.3–98.5) |
Kokit | 89.5 (75.2–97.1) | 100.0 (97.6–100) | 100.0 (89.7–100) | 97.6 (93.9–99.3) |
Woreta | 85.7 (57.2–98.2) | 98.4 (95.4–99.7) | 80.0 (51.9–95.7) | 98.9 (96.1–99.9) |
Deligi | 100.0 (66.4–100) | 98.9 (96.2–99.8) | 81.8 (48.2–99.7) | 100.0 (98.5–100.0) |
Alember | 30.0 (6.7–65.3) | 100.0 (98.1–100) | 100.0 (29.2–100) | 96.5 (92.8–98.6) |
Yejube | 20.0 (0.5–71.6) | 99.5 (97.2–99.9) | 50.0 (1.3–98.7) | 97.9 (94.9–99.5) |
Meruto Lemariam | 100.0 (79.4–100) | 100.0 (98.0–100) | 100.0 (79.4–100) | 100.0 (98.0–100) |
Jiga | 0.0 | 100.0 (98.1–100) | 0.0 | 98.5 (95.7–99.7) |
TOTAL | 87.6 (83.1–91.3) | 99.4 (98.9–99.7) | 96.0 (92.8–98.1) | 98.1 (97.3–98.7) |