Visual rating of individual definite microbleed locations compared with the ground truth ratinga
| 2/0 mIP Processing | 4/−2 mIP Processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Rater 1 | Rater 2 | Rater 3 | Rater 4 | Mean of All Raters | Rater 1 | Rater 2 | Rater 3 | Rater 4 | Mean of All Raters | |
| Mean time per subject (min) | 42 | 18 | 24 | 35 | 30 | 42 | 16 | 23 | 34 | 29 |
| Lobar (sensitivity/SI) | 0.61/0.63 | 0.23/0.37 | 0.61/0.72 | 0.71/0.76 | 0.54/0.62 | 0.65/0.73 | 0.42/0.59 | 0.52/0.65 | 0.81/0.83 | 0.60/0.70 |
| Deep (sensitivity/SI) | 1.00/0.89 | 0.75/0.75 | 0.75/0.55 | 0.75/0.40 | 0.81/0.65 | 0.50/0.36 | 0.75/0.75 | 0.50/0.67 | 1.00/0.46 | 0.69/0.56 |
| Total (sensitivity/SI) | 0.67/0.68 | 0.31/0.46 | 0.64/0.70 | 0.72/0.69 | 0.58/0.63 | 0.61/0.66 | 0.44/0.60 | 0.53/0.67 | 0.83/0.77 | 0.60/0.67 |
↵a Ratings for each rater, which consisted of individual definite microbleed locations on scans with 2/0 and 4/−2 mIP processing, were compared with the ground truth ratings by sensitivity and SI.