Summary of false-positive events*
| False-Positive Events | SPACE (n = 340) | MPRAGE (n = 340) |
|---|---|---|
| Vessels | 8 (5, 3) | 29 (17, 12) |
| Venous sinus | 12 (8, 4) | 1 (1, 0) |
| Choroid plexus | 10 (7, 3) | 1 (1, 0) |
| Infarction | 0 (0, 0) | 1 (0, 1) |
| Artifacts | 4 (2, 2) | 10 (5, 5) |
| Total | 34 (22, 12) | 42 (24, 18) |
* Numbers in parentheses are those of false-positive events that occurred for each observer group (residents, neuroradiologists).