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Table 2: Spearman correlation coefficients relating baseline clinical scores and fractional anisotropy in various regions of the spinal cord
Anatomic Region Clinical Measure Spearman Correlation P Value n
C2-C3 mJOA 0.62^{^a} <.01^{^a} 30^{^a}
Nurick −0.46^{^a} .01^{^a} 30^{^a}
SF-36 (MCS) −0.26 .19 27
SF-36 (PCS) −0.27 .17 27
NDI −0.19 .35 27
Level of stenosis mJOA 0.47^{^a} <.01^{^a} 30^{^a}
Nurick −0.25 .18 30
SF-36 (MCS) −0.09 .64 27
SF-36 (PCS) 0.21 .29 27
NDI 0.19 .35 27
C7-T1 mJOA 0.31 .09 30
Nurick −0.38^{^a} .04^{^a} 30^{^a}
SF-36 (MCS) −0.02 .92 27
SF-36 (PCS) 0.01 .96 27
NDI −0.03 .89 27
Note:—MCS indicates mental component score; PCS, physical component score.
↵a Indicates values are statistically significant.

Anatomic Region	Clinical Measure	Spearman Correlation	P Value	n
C2-C3	mJOA	0.62^{^a}	<.01^{^a}	30^{^a}
	Nurick	−0.46^{^a}	.01^{^a}	30^{^a}
	SF-36 (MCS)	−0.26	.19	27
	SF-36 (PCS)	−0.27	.17	27
	NDI	−0.19	.35	27
Level of stenosis	mJOA	0.47^{^a}	<.01^{^a}	30^{^a}
	Nurick	−0.25	.18	30
	SF-36 (MCS)	−0.09	.64	27
	SF-36 (PCS)	0.21	.29	27
	NDI	0.19	.35	27
C7-T1	mJOA	0.31	.09	30
	Nurick	−0.38^{^a}	.04^{^a}	30^{^a}
	SF-36 (MCS)	−0.02	.92	27
	SF-36 (PCS)	0.01	.96	27
	NDI	−0.03	.89	27