The morphological characteristics of paraspinal muscles in young patients with unilateral neurological symptoms of lumbar disc herniation

Zhao, Xuan; Liang, Huiqiang; Hua, Zijian; Li, Wenshuai; Li, Jia; Wang, Linfeng; Shen, Yong

doi:10.1186/s12891-022-05968-5

Table 4 At L3-S1,Comparison of ipsilateral paraspinal muscle RCSA and DFF between LBP and control groups

From: The morphological characteristics of paraspinal muscles in young patients with unilateral neurological symptoms of lumbar disc herniation

Paraspinal muscles		LBP group	Control group	p
MF muscle
L3/4
	The normal side RCSA	28.78 ± 6.50	32.33 ± 5.08	0.124
	The diseased side RCSA	27.93 ± 5.58	31.50 ± 5.35	0.107
	The normal side DFF	11.75 ± 3.39	10.02 ± 3.11	0.658
	The diseased side DFF	12.41 ± 3.45	11.64 ± 3.37	0.776
L4/L5
	The normal side RCSA	36.44 ± 6.59	46.76 ± 6.91	<0.001*
	The diseased side RCSA	34.91 ± 7.81	35.39 ± 7.15	0.761
	The normal side DFF	21.96 ± 4.78	14.10 ± 3.12	<0.001*
	The diseased side DFF	23.98 ± 4.57	22.51 ± 3.58	0.566
L5/S1
	The normal side RCSA	47.58 ± 10.51	48.59 ± 12.84	0.610
	The diseased side RCSA	44.01 ± 9.26	46.79 ± 11.43	0.419
	The normal side DFF	22.58 ± 6.25	21.50 ± 5.12	0.175
	The diseased side DFF	23.10 ± 5.57	22.41 ± 6.37	0.193
ES muscle
L3/L4
	The normal side RCSA	91.15 ± 16.90	95.85 ± 15.70	0.101
	The diseased side RCSA	89.57 ± 15.11	91.47 ± 16.98	0.499
	The normal side DFF	11.85 ± 3.72	8.66 ± 3.48	0.097
	The diseased side DFF	12.98 ± 3.37	11.45 ± 3.65	0.532
L4/L5
	The normal side RCSA	75.02 ± 11.08	77.56 ± 12.58	0.211
	The diseased side RCSA	73.49 ± 13.36	74.35 ± 14.63	0.498
	The normal side DFF	20.73 ± 4.76	20.94 ± 3.35	0.914
	The diseased side DFF	21.18 ± 3.78	22.93 ± 4.24	0.392
L5/S1
	The normal side RCSA	40.10 ± 13.59	43.01 ± 12.53	0.107
	The diseased side RCSA	39.79 ± 12.48	40.87 ± 10.95	0.483
	The normal side DFF	22.78 ± 3.44	22.47 ± 3.95	0.859
	The diseased side DFF	23.48 ± 3.12	24.97 ± 3.17	0.134
PS muscle
L3/4
	The normal side RCSA	78.14 ± 11.64	79.96 ± 10.42	0.148
	The diseased side RCSA	82.96 ± 12.94	83.72 ± 11.59	0.101
	The normal side DFF	7.46 ± 1.76	7.71 ± 1.45	0.785
	The diseased side DFF	5.02 ± 1.24	5.75 ± 1.43	0.284
L4/5
	The normal side RCSA	83.36 ± 9.61	82.40 ± 13.91	0.139
	The diseased side RCSA	82.67 ± 8.37	84.76 ± 10.23	0.086
	The normal side DFF	6.13 ± 1.97	6.84 ± 1.31	0.207
	The diseased side DFF	7.21 ± 1.49	8.98 ± 1.25	0.743
L5/S1
	The normal side RCSA	87.74 ± 13.42	88.46 ± 14.83	0.280
	The diseased side RCSA	86.17 ± 12.33	91.72 ± 13.22	0.081
	The normal side DFF	8.82 ± 1.33	8.11 ± 1.82	0.214
	The diseased side DFF	9.04 ± 1.59	7.35 ± 1.39	0.113

LBP Low back pain; PM Psoas major; MF Multifidus; ES Erector spinae; RCSA Relative cross-sectional area; DFF Degree of fatty infiltration

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