Table 4. Between-Group Differences of the Signal Intensities on the Post-Contrast 10 Minutes Images in Cross-Over Experiment.

Region	P	Comparison	Estimate (Difference)	P	Adjusted P*
Aortic arch	< 0.001	DOT-S vs. DOT-H	3.833	0.812	1.000
		KEG1-H vs. DOT-H	18.500	0.252	1.000
		KEG1-S vs. DOT-H	75.500	< 0.001	< 0.001
		KEG3-H vs. DOT-H	47.833	0.003	0.051
		KEG3-S vs. DOT-H	154.500	< 0.001	< 0.001
		KEG1-H vs. DOT-S	14.667	0.363	1.000
		KEG1-S vs. DOT-S	71.667	< 0.001	< 0.001
		KEG3-H vs. DOT-S	44.000	0.007	0.104
		KEG3-S vs. DOT-S	150.667	< 0.001	< 0.001
		KEG1-S vs. KEG1-H	57.000	0.001	0.008
		KEG3-H vs. KEG1-H	29.333	0.070	1.000
		KEG3-S vs. KEG1-H	136.000	< 0.001	< 0.001
		KEG3-H vs. KEG1-S	−27.667	0.087	1.000
		KEG3-S vs. KEG1-S	79.000	< 0.001	< 0.001
		KEG3-S vs. KEG3-H	106.667	< 0.001	< 0.001
Descending thoracic aorta	< 0.001	DOT-S vs. DOT-H	−0.833	0.968	1.000
		KEG1-H vs. DOT-H	27.500	0.184	1.000
		KEG1-S vs. DOT-H	126.500	< 0.001	< 0.001
		KEG3-H vs. DOT-H	68.833	0.001	0.016
		KEG3-S vs. DOT-H	201.833	< 0.001	< 0.001
		KEG1-H vs. DOT-S	28.333	0.171	1.000
		KEG1-S vs. DOT-S	127.333	< 0.001	< 0.001
		KEG3-H vs. DOT-S	69.667	0.001	0.014
		KEG3-S vs. DOT-S	202.667	< 0.001	< 0.001
		KEG1-S vs. KEG1-H	99.000	< 0.001	< 0.001
		KEG3-H vs. KEG1-H	41.333	0.046	0.697
		KEG3-S vs. KEG1-H	174.333	< 0.001	< 0.001
		KEG3-H vs. KEG1-S	−57.667	0.006	0.087
		KEG3-S vs. KEG1-S	75.333	< 0.001	0.005
		KEG3-S vs. KEG3-H	133.000	< 0.001	< 0.001

DOT-H, 0.05 mmoL/kg Gd-DOTA; DOT-S, 0.1 mmoL/kg Gd-DOTA; KEG1-H, 0.047 mmoL/kg KEG1; KEG1-S, 0.093 mmoL/kg KEG1; KEG3-H, 0.047 mmoL/kg KEG3; KEG3-S, 0.093 mmoL/kg KEG3. ^*Bonferroni's correction. Gd-DOTA = gadoterate meglumine (Dotarem)