Study characteristics and technical factorsa

AttributeMDFA
Average no. of patients per tumor grade category15.3 ± 12.013.4 ± 8.6
Average age of patients (yr)49.3 ± 8.650.0 ± 7.6
Prospective design79.1 %69.4 %
Studies at 3T34.5 %41.7 %
Average maximum diffusion b-value1103 ± 4541111 ± 448
Average no. of noncollinear directions21 ± 31
  • Note:— indicates not calculated.

  • a SDs are reported for average values.