Table 2.
Positive predictive values, secondary diagnoses
| Recorded diagnoses from NPR | Confirmed diagnoses | |||||
|---|---|---|---|---|---|---|
| Total | HS | SAH | SDH | Unspecified hemorrhage | Nonstroke events | |
| Inhospital | ||||||
| HS | 154 (100) | 128 (83.1) | — | 2 (1.3) | — | 24 (15.6) |
| SAH | 34 (100) | — | 19 (55.9) | — | — | 15 (44.1) |
| SDH | 101 (100) | — | — | 97 (96.0) | — | 4 (4.0) |
| Unspecified hemorrhage | 14 (100) | — | — | — | 13 (92.9) | 1 (7.1) |
| Total | 303 | 128 | 19 | 99 | 13 | 44 |
| Outpatient | ||||||
| HS | 4 (100) | 1 (25.0) | — | — | — | 3 (75.0) |
| SAH | — | — | — | — | — | — |
| SDH | 6 (100) | — | — | 2 (33.3) | — | 4 (66.7) |
| Unspecified hemorrhage | — | — | — | — | — | — |
| Total | 10 | 1 | — | 2 | — | 7 |
NPR, Norwegian Patient Registry; HS, hemorrhagic stroke; SAH, subarachnoid hemorrhage; SDH, subdural hemorrhage.