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Study characteristics and technical factorsa
| Attribute | MD | FA |
|---|---|---|
| Average no. of patients per tumor grade category | 15.3 ± 12.0 | 13.4 ± 8.6 |
| Average age of patients (yr) | 49.3 ± 8.6 | 50.0 ± 7.6 |
| Prospective design | 79.1 % | 69.4 % |
| Studies at 3T | 34.5 % | 41.7 % |
| Average maximum diffusion b-value | 1103 ± 454 | 1111 ± 448 |
| Average no. of noncollinear directions | – | 21 ± 31 |
Note:— indicates not calculated.
SDs are reported for average values.
