Correlation of PET and MRI Findings of Gray and White Matter Abnormalities
| MRI Findings . | Total . | PET Normal . | PET Abnormal . | % PET Abnormal . |
|---|---|---|---|---|
| Gray abnormal, white abnormal | 12 | 1 | 11 | 91.7 |
| Gray abnormal, white normal | 5 | 1 | 4 | 80.0 |
| Gray normal, white abnormal | 13 | 6 | 7 | 53.8 |
| Gray normal, white normal | 19 | 5 | 14 | 73.7 |
| Total | 49 | 13 | 36 | 73.5 |
| MRI Findings . | Total . | PET Normal . | PET Abnormal . | % PET Abnormal . |
|---|---|---|---|---|
| Gray abnormal, white abnormal | 12 | 1 | 11 | 91.7 |
| Gray abnormal, white normal | 5 | 1 | 4 | 80.0 |
| Gray normal, white abnormal | 13 | 6 | 7 | 53.8 |
| Gray normal, white normal | 19 | 5 | 14 | 73.7 |
| Total | 49 | 13 | 36 | 73.5 |
χ2 test P value is .258 comparing the percentage of PET abnormalities among the four MRI groupings.