Table 2. Sensitivity of manual and semi-automated rating.
Sensitivity (count) | |
Rater 1 | 61% (93) |
Rater 2 | 86% (130) |
Rater 3 | 39% (60) |
Rater 4 | 68% (104) |
All raters | 97% (148) |
RST A | 65% (99) |
RST B | 78% (119) |
RST C | 84% (128) |
Final sensitivities of the individual human raters, all raters combined, and the three chosen combinations of the radial symmetry transform. A total of 152 microbleeds was found (148 during visual rating +4 extra positives by the radial symmetry transform) in 38 participants (53%).