Table 3:

DWI and DCE-MR imaging parameters of chondrosarcoma, chordoma, and metastasis using the Kruskal-Wallis H test and the post hoc test with Bonferroni correctiona

ChondrosarcomaChordomaMetastasisP ValueaP Valueb
Chondrosarcoma vs ChordomaChondrosarcoma vs MetastasisChordoma vs Metastasis
nADCmean2.44 (2.27–2.71)1.30 (1.07–1.73)1.39 (1.21–1.70)<.001<.001<.0011.0
Vp0.015 (0.01–0.028)0.045 (0.04–0.068)0.12 (0.09–0.14)<.001.003<.001<.001
Ve0.25 (0.15–0.31)0.35 (0.30–0.40)0.48 (0.34–0.63).007.14.022.17
Ktrans (minute−1)0.08 (0.06–0.17)0.16 (0.13–0.20)0.39 (0.20–0.63)<.001.16.002.002
  • Note:Pa is from Kruskal–Wallis H test. Pb is adjusted for pair-wise comparison by Bonferroni correction.

  • a Numbers in parentheses indicate interquartile range.