Presence of venous edema, intracerebral hemorrhage, and prominent Pacchioni granulations and diagnostic confidence
| Venous edema and/or ICH diagnosed (n readings) | Prominent Pachioni Granulations Found (in n of n readings) | Diagnostic Confidence* (R 1/2/3) | Additional Imaging Wanted** (R 1/2/3) | ||||
|---|---|---|---|---|---|---|---|
| Patient | True-Pos. | False-Pos. | True-Neg. | False-Neg. | |||
| 1 | 0 | 0 | 3 | 0 | Yes (2/3) | 5/4/3 | –/–/– |
| 2† | |||||||
| 3 | 3 | 0 | 0 | 0 | Yes (2/3) | 5/4/5 | –/–/– |
| 4 | 2 | 0 | 0 | 1 | No | 5/5/4 | –/–/– |
| 5 | 0 | 0 | 0 | 3 | No | 4/5/4 | –/–/– |
| 6 | 0 | 0 | 3 | 0 | Yes (2/3) | 5/4/4 | –/–/– |
| 7 | 2 | 0 | 0 | 1 | No | 5/5/2 | –/–/MRI |
| 8 | 0 | 0 | 3 | 0 | Yes (2/3) | 5/5/4 | –/–/– |
| 9 | 0 | 0 | 3 | 0 | Yes (2/3) | 5/5/5 | –/–/– |
| 10 | 0 | 0 | 3 | 0 | No | 5/3/4 | –/–/– |
| 11 | 0 | 0 | 3 | 0 | No | 5/3/4 | –/MRI/– |
| 12 | 0 | 0 | 3 | 0 | Yes (1/3) | 5/5/4 | –/–/– |
| 13 | 0 | 0 | 3 | 0 | Yes (1/3) | 5/3/4 | –/–/MRI |
| 14 | 0 | 0 | 0 | 3 | No | 3/5/4 | MRI/–/MRI |
| 15 | 0 | 0 | 3 | 0 | Yes (2/3) | 5/5/4 | –/–/– |
| 16 | 3 | 0 | 0 | 0 | Yes (1/3) | 5/5/5 | –/–/– |
| 17 | 0 | 0 | 3 | 0 | No | 3/5/3 | MRI/–/cCT |
| 18 | 0 | 0 | 3 | 0 | No | 5/4/5 | –/MRI/– |
| 19 | 0 | 0 | 3 | 0 | Yes (1/3) | 4/4/4 | –/–/– |
Note:—n indicates number; R, reader; cCT native cranial CT.
* Rated on a 5-point scale (1, absolutely; 2, very; 3, intermediate; 4, not very certain; 5, uncertain).
** No additional imaging wanted.
† Excluded from analysis due to significant motion artifacts.