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Table 3: Objective signal intensity ratios^{^a}
Variable Sequence Group P Value^{^b}
Group B (n = 31) Group A (n = 33)
T2WI spinal cord–to-fat ratio 
    Submandibular level 5.7 ± 1.6 3.5 ± 3.4 <.001
    Supraclavicular level 7.4 ± 2.4 3.3 ± 3.4 <.001
Post-Gad-T1WI spinal cord–to-fat ratio 
    Submandibular level 3.7 ± 1.4 0.9 ± 0.7 <.001
    Supraclavicular level 4.3 ± 2.0 0.5 ± 0.3 <.001
↵a Values are mean ± SD unless otherwise specified.
↵b Mann-Whitney U test.

Variable	Sequence Group		P Value^{^b}
Variable	Group B (n = 31)	Group A (n = 33)	P Value^{^b}
T2WI spinal cord–to-fat ratio
Submandibular level	5.7 ± 1.6	3.5 ± 3.4	<.001
Supraclavicular level	7.4 ± 2.4	3.3 ± 3.4	<.001
Post-Gad-T1WI spinal cord–to-fat ratio
Submandibular level	3.7 ± 1.4	0.9 ± 0.7	<.001
Supraclavicular level	4.3 ± 2.0	0.5 ± 0.3	<.001