Diagnostic accuracy
Welcome! In this demonstration, we will explain the concept of diagnostic accuracy parameters. Back to Home
You can either enter the number of true positives, false positives, true negatives, and false negatives to calculate the diagnostic accuracy metrics or enter the total number, prevalence, sensitivity, and specificity to calculate all other numbers.
| Disease | No disease | Total | |
|---|---|---|---|
| Test (+) | |||
| Test (-) | |||
| Total |
| Metric | Value |
|---|---|
| Prevalence | |
| Sensitivity (Se) | |
| Specificity (Sp) | |
| Positive Predictive Value (PPV) | |
| Negative Predictive Value (NPV) | |
| Accuracy |