Table 2.
Estimation of PPV, sensitivity, and specificity
| DNPRa | Medical record review
|
||
|---|---|---|---|
| Acute | Nonacute | In total | |
| Acute | 124 | 3 | 127 |
| Nonacute | 3 | 28 | 31 |
| In total | 127 | 31 | 158 |
| Results (95% confidence intervals) | |||
|
| |||
| PPV (TP/(TP+FP)) | 97.6% (93.8%–99.3%) | ||
| Sensitivity (TP/(TP+FN)) | 97.6% (93.8%–99.3%) | ||
| Specificity (TN/(TN+FP)) | 90.3% (76.4%–97.2%) | ||
Note:
a
The Danish National Patient Registry.
Abbreviations: PPV, positive predictive value; DNPR, Danish National Patient Registry; TP, true positive; FP, false positive; FN, false negative, TN; true negative.