Table 2 Detection performance of malaria parasites between participants and experts in Ethiopia, 2019
Variables | Expert reading/PT | Agreement (%) | Kappa | PPV (%) | NPV (%) | Sensitivity (%) | Specificity (%) | |||
|---|---|---|---|---|---|---|---|---|---|---|
Positive | Negative | Total | ||||||||
Participant | Positive | 562 | 22 | 584 | 91.4 (89.18,93.28) | 0.79 (0.74–0.83) | 96.23 (94.51–97.43) | 80.36 (75.40–84.52) | 92.7 (90.38–94.68) | 89.1 (83.98–93.05) |
Negative | 44 | 180 | 224 | |||||||
Total | 606 | 202 | 808 | |||||||
Health centres | Positive | 448 | 19 | 467 | 92.87 (90.59–94.76) | 0.81 (0.76–0.86) | 95.9 (93.92–97.30) | 84.24 (78.55–86.64) | 94.5 (92.7–96.39) | 87.9 (81.86–92.6) |
Negative | 26 | 139 | 165 | |||||||
Total | 474 | 158 | 632 | |||||||
Hospitals | Positive | 114 | 3 | 117 | 88.06 (82.34–92.46) | 0.71 (0.60–0.83) | 97.44 (92.71–99.13) | 69.49 59.54–77.90) | 86.4 (79.31–91.71) | 93.2 (81.34–98.57) |
Negative | 18 | 41 | 59 | |||||||
Total | 132 | 44 | 176 | |||||||