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. 2012 Apr 20;7(4):e33014. doi: 10.1371/journal.pone.0033014

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)