BMC Musculoskeletal Disorders

Table 2 Average MTR_mean and T2 mapping values_mean at 3.0 T in vivo imaging before and after the annular lesion surgery

From: Quantitative T2 relaxation time and magnetic transfer ratio predict endplate biochemical content of intervertebral disc degeneration in a canine model

		PO	1 W	2 W	3 W	4 W	8 W	12 W
MTR Values	NP	18.72 ± 5.65	15.66 ± 6.00	16.14 ± 7.08^**	16.82 ± 5.44^**	25.07 ± 7.25^*,**	31.27 ± 7.21^,**	35.67 ± 5.02^*
(%)	AF	39.69 ± 5.99	35.13 ± 5.18^**	35.48 ± 4.15^**	37.61 ± 5.90^**	43.99 ± 6.74^,,**	50.37 ± 8.73^,**	56.47 ± 7.04^*
	CEPZ	31.77 ± 9.62	30.22 ± 8.79	29.23 ± 9.50	32.91 ± 8.73	31.72 ± 7.40^***	28.34 ± 7.57	24.27 ± 7.35^*
T2 values	NP	150.78 ± 26.47	143.44 ± 19.38^**	120.20 ± 28.10^**	131.42 ± 20.93^**	102.42 ± 16.20^,,**	75.58 ± 14.77^,**	52.08 ± 10.31^*
	AF	28.93 ± 9.00	25.22 ± 3.72^**	23.93 ± 5.58	25.19 ± 4.63	21.65 ± 7.25^,**	18.65 ± 4.76^*	14.75 ± 2.43^*
	CEPZ	67.09 ± 10.59	67.07 ± 7.02	61.39 ± 9.79^**	66.45 ± 12.09	78.50 ± 10.40^,,**	54.36 ± 6.33^,**	45.61 ± 6.20^*

^*P < 0.05, compared to PO (Pre-operation) of AF (annulus fibrous), NP (nucleus pulposus), and CEPZ (cartilage endplate zone) in T2 values or MTR values, separately; ^**P < 0.05, compared to 4 weeks of AF, NP, and CEPZ in T2 values or MTR values, separately; ^***P < 0.05, compared to 12 weeks of AF, NP, and CEPZ in T2 values or MTR values, separately; ^****P < 0.05, compared to 8 weeks of AF, NP, and CEPZ in T2 values or MTR values, separately

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ISSN: 1471-2474

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