A matched case-control study of early cervical spondylotic myelopathy based on diffusion magnetic resonance imaging

Insights into Imaging

Table 4 Univariate t-test results of the adjacent cervical spinal cord in patients with early CSM based on location and age grouping (< 50 and ≥ 50 years)

Parameters	Upper		Lower		Age < 50 years		Age ≥ 50 years
Parameters	t value	p-value	t value	p-value	t value	p-value	t value	p-value
FA	−4.05	< 0.001	−3.77	< 0.001	−4.42	< 0.001	−3.62	0.001
MD	3.76	< 0.001	4.09	< 0.001	3.12	0.003	4.63	< 0.001
AD	1.50	0.141	1.71	0.094	0.31	0.762	2.68	0.010
RD	4.67	< 0.001	4.72	< 0.001	4.52	< 0.001	4.99	< 0.001
MK	−1.41	0.166	−1.24	0.219	0.44	0.659	−2.58	0.013
AK	−1.84	0.071	−1.97	0.054	−0.46	0.647	−2.93	0.005
RK	−2.82	0.007	−1.99	0.051	−0.82	0.416	−3.70	< 0.001
ISOVF	3.67	0.001	4.07	< 0.001	3.25	0.002	4.39	< 0.001
ODI	3.76	< 0.001	2.33	0.023	3.19	0.002	3.02	0.004
NDI	−1.05	0.297	−1.01	0.318	0.25	0.805	−2.33	0.023
AWF	−4.90	< 0.001	-4.16	< 0.001	−3.43	0.001	−5.74	< 0.001