Test (RDT) | Disease (Microscopy) | Total | |
Yes | No | ||
Yes | 188 (a) | 3 (b) | 191 (a + b) |
No | 0 (c) | 2629 (d) | 2629 (c + d) |
Total | 188 (a + c) | 2632 (b + d) | 2820 (a + b + c + d) |
Sensitivity | a/(a + c) | 100.0% | |
Specificity | d/(b + d) | 99.9% | |
Positive predictive value | a/(a + b) | 94.8% | |
Negative predictive value | d/(c + d) | 100.0% | |
Prevalence of the disease | (a + b)/(a + b + c + d) | 6.8% | |
Accuracy* (extent of correct classification) | (a + d)/(a + b + c + d) | 99.9% |