Rater comparisons by fMRI experiencea
| 0 Per Month | ≤1 Per Month | 2–5 Per Month | Significant Comparisons | |
|---|---|---|---|---|
| Distance from foot motor centroid | 20 ± 13 mm | 13 ± 6 mm | 12 ± 7 mm | 0 vs <1, 0 vs 2–5 |
| Arrow in motor gyrus | 47% (118/252) | 68% (133/196) | 64% (27/42) | 0 vs <1 |
| Tumor in foot motor cortex | 73% (183/252) | 80% (156/196) | 86% (36/42) | |
| Tumor in motor gyrus | 66% (167/252) | 74% (146/196) | 83% (35/42) |
↵a Numbers in the parentheses indicate the number of correct responses over the total number of responses (eg, in the no fMRI group, there were 18 raters for each of the 14 cases, making 252 total responses).