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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 correction^{^a}
Chondrosarcoma Chordoma Metastasis P Value^a P Value^b
Chondrosarcoma vs Chordoma Chondrosarcoma vs Metastasis Chordoma vs Metastasis
nADCmean 2.44 (2.27–2.71) 1.30 (1.07–1.73) 1.39 (1.21–1.70) <.001 <.001 <.001 1.0
Vp 0.015 (0.01–0.028) 0.045 (0.04–0.068) 0.12 (0.09–0.14) <.001 .003 <.001 <.001
Ve 0.25 (0.15–0.31) 0.35 (0.30–0.40) 0.48 (0.34–0.63) .007 .14 .022 .17
K^trans (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:—P^a is from Kruskal–Wallis H test. P^b is adjusted for pair-wise comparison by Bonferroni correction.
↵a Numbers in parentheses indicate interquartile range.

	Chondrosarcoma	Chordoma	Metastasis	P Value^a	P Value^b
	Chondrosarcoma	Chordoma	Metastasis	P Value^a	Chondrosarcoma vs Chordoma	Chondrosarcoma vs Metastasis	Chordoma vs Metastasis
nADCmean	2.44 (2.27–2.71)	1.30 (1.07–1.73)	1.39 (1.21–1.70)	<.001	<.001	<.001	1.0
Vp	0.015 (0.01–0.028)	0.045 (0.04–0.068)	0.12 (0.09–0.14)	<.001	.003	<.001	<.001
Ve	0.25 (0.15–0.31)	0.35 (0.30–0.40)	0.48 (0.34–0.63)	.007	.14	.022	.17
K^trans (minute⁻¹)	0.08 (0.06–0.17)	0.16 (0.13–0.20)	0.39 (0.20–0.63)	<.001	.16	.002	.002