| Â |
Criteria
|
FDG-Qual
|
FDG-Quant
|
MRI
|
|---|
Number | 25 | 23 | 22 | 24 |
True negative | 10 | 6 | 7 | 6 |
True positive | 9 | 10 | 9 | 8 |
False negative | 2 | 1 | 1 | 3 |
False positive | 4 | 6 | 5 | 7 |
Accuracy | 0.76 | 0.70 | 0.73 | 0.58 |
Rater confidence rating | 44% | 74% | N/A | 54% |
- Criteria = modified clinical criteria; True Negative = number of patients categorized as fvCBS who were PIB negative; True Positive = number of patients categorized as tpvCBS who were PIB positive; False Negative = number of patients categorized as fvCBS who were PIB positive; False Positive = number of patients categorized as tpvCBS who were PIB negative; Accuracy = True Negative + True Positive/total Number; Confidence Rating = number of highly confident/total number of patients; FDG-Qual, fluorodeoxyglucose PET qualitative (visual assessment); FDG-Quant, fluorodeoxyglucose PET quantitative (computed using ROI); MRI, magnetic resonance imaging; N/A, not applicable; PET, positron emission tomography; ROI, region of interest.
