Study site | Year | Number tested | Number positive | Measures of diagnostics accuracy (95Â % CI) | |||
---|---|---|---|---|---|---|---|
Sensitivity | Specificity | PPV | NPV | ||||
Microscopy | |||||||
 Walukuba | 2012 | 629 | 72 | 50.4 % (41.5–59.3 %) | 98.6 % (97.1–99.4 %) | 90.3 % (81.0–96.0 %) | 88.5 % (85.6–91.0 %) |
2013 | 535 | 52 | 48.5 % (38.6–58.6 %) | 99.5 % (98.3–99.9 %) | 96.2 % (86.8–99.5 %) | 89.0 % (85.9–91.7 %) | |
 Kihihi | 2012 | 787 | 92 | 45.8 % (38.4–53.4 %) | 98.4 % (97.0–99.2 %) | 89.1 % (80.9–94.7 %) | 86.0 % (83.2–88.5 %) |
2013 | 758 | 67 | 35.8 % (28.7–43.4 %) | 99.3 % (98.2–99.8 %) | 94.0 % (85.4–98.3 %) | 83.6 % (80.7–86.3 %) | |
 Nagongera | 2012 | 804 | 351 | 71.8 % (67.5–75.7 %) | 99.1 % (97.3–99.8 %) | 99.1 % (97.5–99.8 %) | 69.8 % (65.3–74.0 %) |
2013 | 920 | 381 | 60.3 % (56.3–64.1 %) | 98.3 % (96.1–99.4 %) | 98.7 % (97.0–99.6 %) | 54.0 % (49.7–58.3 %) | |
RDT | |||||||
 Walukuba | 2012 | 629 | 124 | 77.5 % (69.3–84.4 %) | 95.2 % (92.9–96.9 %) | 80.6 % (72.6–87.2 %) | 94.3 % (91.9–96.1 %) |
2013 | 535 | 183 | 76.7 % (67.3–84.5 %) | 75.9 % (71.6–79.9 %) | 43.2 % (35.9–50.7 %) | 93.2 % (90.0–95.6 %) | |
 Kihihi | 2012 | 787 | 178 | 78.8 % (72.0–84.5 %) | 93.9 % (91.7–95.7 %) | 79.2 % (72.5–84.9 %) | 93.8 % (91.5–95.5 %) |
2013 | 758 | 311 | 85.8 % (79.7–90.6 %) | 72.5 % (68.7–76.1 %) | 48.6 % (42.9–54.3 %) | 94.4 % (91.9–96.3 %) | |
 Nagongera | 2012 | 804 | 444 | 79.4 % (75.5–82.9 %) | 81.5 % (76.8–85.6 %) | 86.7 % (83.2-89.7 %) | 72.2 % (67.3–76.8 %) |
2013 | 920 | 620 | 85.4 % (82.4– 88.1 %) | 70.6 % (65.1–75.7 %) | 86.0 % (83.0–88.6 %) | 69.7 % (64.1–74.8 %) |