Table 2.
Sensitivity, specificity, positive predictive value, and negative predictive value for acute stroke in the Danish Stroke Registry and the Danish National Registry of Patients, based on patients hospitalized at four major departments of neurology in Denmark, January 4–10, 2010
| Registry | Verified positive/total positive by gold standard | Sensitivity % (95% CI) | Verified negative/total negative by gold standard | Specificity % (95% CI) |
|---|---|---|---|---|
| Danish Stroke Registry | 67/74 | 91 (81–96) | 74/82 | 90 (82–96) |
| Danish National Registry of Patients | 43/74 | 58 (46–69) | 79/82 | 96 (90–99) |
| Registry | Verified positive/total positive by registry | PPV % (95% CI) | Verified negative/total negative by registry | NPV % (95% CI) |
|
| ||||
| Danish Stroke Registry | 67/75 | 89 (80–95) | 74/81 | 91 (83–96) |
| Danish National Registry of Patients | 43/46 | 93 (82–99) | 79/110 | 72 (62–80) |
Abbreviations: CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value.