The impact of disease time, cervical alignment and range of motion on cervical vertebral Hounsfield unit value in surgery patients with cervical spondylosis

Wang, Zhiqiang; Zhong, Zaowei; Feng, Haoyu; Mei, Jun; Feng, Xiaoning; Wang, Beiyang; Sun, Lin

doi:10.1186/s13018-023-03675-y

Journal of Orthopaedic Surgery and Research

Table 3 Results of multivariate linear regression analyses

From: The impact of disease time, cervical alignment and range of motion on cervical vertebral Hounsfield unit value in surgery patients with cervical spondylosis

Age group	Dependent variable	Independent variables	Male				Female
Age group	Dependent variable	Independent variables	B	SE	β	p value	B	SE	β	p value
All	C2-5 HU value	Age	− 0.850	0.286	− 0.134	0.003	− 5.264	0.412	− 0.615	< 0.0001
		Disease time	− 0.164	0.097	− 0.073	0.093	− 0.308	0.095	− 0.139	0.001
		Flexion CA	− 0.460	0.354	− 0.069	0.194	− 0.687	0.438	− 0.082	0.118
		Cervical ROM	− 0.077	0.276	− 0.014	0.781	− 0.027	0.331	− 0.004	0.936
	C6-7 HU value	Age	− 0.965	0.240	− 0.177	< 0.0001	− 4.906	0.331	− 0.658	< 0.0001
		Disease time	− 0.209	0.082	− 0.108	0.011	− 0.279	0.076	− 0.145	< 0.0001
		Flexion CA	− 0.818	0.297	− 0.142	0.006	− 0.892	0.351	− 0.122	0.012
		Cervical ROM	− 0.041	0.232	− 0.009	0.860	− 0.139	0.266	− 0.025	0.601
	C2-7 HU value	Age	− 0.888	0.263	− 0.151	0.001	− 5.144	0.377	− 0.637	< 0.0001
		Disease time	− 0.179	0.090	− 0.086	0.047	− 0.298	0.087	− 0.143	0.001
		Flexion CA	− 0.065	0.255	− 0.013	0.077	− 0.755	0.400	− 0.096	0.060
		Cervical ROM	0.208	0.247	0.039	0.799	− 0.064	0.302	− 0.011	0.833
< 50	C2-5 HU value	Age	− 0.425	0.878	− 0.039	0.629	− 5.732	1.472	− 0.392	< 0.0001
		Disease time	0.184	0.195	0.079	0.344	− 0.084	0.174	− 0.050	0.630
		Flexion CA	0.056	0.653	0.009	0.931	0.018	0.796	0.003	0.982
		Cervical ROM	0.207	0.469	0.045	0.659	− 0.304	0.584	− 0.070	0.604
	C6-7 HU value	Age	− 1.049	0.726	− 0.116	0.150	− 4.968	1.247	− 0.400	< 0.0001
		Disease time	0.037	0.161	0.019	0.820	0.032	0.148	0.032	0.826
		Flexion CA	− 0.274	0.540	− 0.052	0.613	− 0.140	0.675	− 0.027	0.836
		Cervical ROM	0.169	0.388	0.044	0.663	− 0.353	0.495	− 0.096	0.477
	C2-7 HU value	Age	− 0.633	0.809	− 0.022	0.435	− 5.478	1.365	− 0.404	< 0.0001
		Disease time	0.135	0.179	0.063	0.452	− 0.045	0.162	− 0.029	0.779
		Flexion CA	− 0.054	0.602	− 0.009	0.929	− 0.035	0.738	− 0.006	0.963
		Cervical ROM	0.195	0.432	0.046	0.653	− 0.320	0.542	− 0.079	0.556
50–60	C2-5 HU value	Age	− 0.748	1.951	− 0.030	0.702	− 10.640	2.376	− 0.395	< 0.0001
		Disease time	0.039	0.157	0.020	0.801	− 0.343	0.162	− 0.179	0.036
		Flexion CA	− 0.651	0.685	− 0.090	0.344	− 0.800	0.770	− 0.100	0.301
		Cervical ROM	− 0.346	0.555	− 0.059	0.533	− 0.275	0.578	− 0.046	0.635
	C6-7 HU value	Age	− 0.993	1.585	− 0.002	0.545	− 7.560	1.919	− 0.341	< 0.0001
		Disease time	− 0.024	0.132	− 0.014	0.853	− 0.390	0.131	− 0.247	0.003
		Flexion CA	− 0.868	0.575	− 0.142	0.133	− 1.305	0.622	− 0.198	0.038
		Cervical ROM	− 0.295	0.466	− 0.060	0.527	− 0.379	0.467	− 0.077	0.418
	C2-7 HU value	Age	− 0.829	1.797	− 0.036	0.645	− 9.613	2.175	− 0.386	< 0.0001
		Disease time	0.018	0.363	− 0.286	0.900	− 0.359	0.148	− 0.202	0.017
		Flexion CA	− 0.723	0.631	− 0.108	0.254	− 0.969	0.705	− 0.131	0.172
		Cervical ROM	− 0.329	0.511	− 0.061	0.520	− 0.310	0.529	− 0.056	0.559
> 60	C2-5 HU value	Age	− 0.807	0.908	− 0.060	0.375	− 0.139	1.073	− 0.013	0.897
		Disease time	− 0.678	0.172	− 0.273	< 0.0001	− 0.361	0.151	− 0.220	0.019
		Flexion CA	− 0.464	0.547	− 0.067	0.398	− 1.117	0.668	− 0.184	0.097
		Cervical ROM	0.111	0.445	0.020	0.803	0.761	0.528	0.157	0.153
	C6-7 HU value	Age	− 0.102	0.769	− 0.009	0.895	− 1.593	0.784	− 0.185	0.045
		Disease time	− 0.587	0.145	− 0.275	< 0.0001	− 0.365	0.111	− 0.285	0.001
		Flexion CA	− 0.984	0.463	− 0.167	0.035	− 1.072	0.488	− 0.226	0.030
		Cervical ROM	0.177	0.377	0.037	0.639	0.615	0.386	0.163	0.114
	C2-7 HU value	Age	− 0.572	0.837	− 0.046	0.495	− 0.624	0.951	− 0.063	0.513
		Disease time	− 0.648	0.158	− 0.281	< 0.0001	− 0.362	0.134	− 0.245	0.008
		Flexion CA	− 0.637	0.504	− 0.100	0.208	− 1.102	0.592	− 0.201	0.065
		Cervical ROM	0.133	0.410	0.0269	0.746	0.712	0.468	0.163	0.131

Bold indicates statistically significant difference, P < 0.05
Adjusted for age (not for age subgroup analyses), BMI, neck pain, comorbidities and disease type. Bold values indicate statistically significant. BMI, neck pain, comorbidities and disease type data are not shown

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