Ten-Year Surgical Outcomes and Prognostic Factors for French-Door Laminoplasty in the Treatment of Multilevel Cervical Spondylotic Myelopathy

Table 3

The results of correlation analysis between preoperative factors, neurological function, and radiological outcomes.

Preoperative factors	The recovery rate of mJOA score (%)		The loss rate of cobb angle (%)		The preservation rate of range of motion (%)
	Correlation coefficient		Correlation coefficient		Correlation coefficient
Gender	-0.109	0.390	0.003	0.938	-0.369	0.002
Age at surgery	-0.025	0.845	-0.129	0.320	-0.276	0.035
Symptom duration	-0.298	0.022	0.097	0.495	-0.058	0.698
Operative time	-0.045	0.687	-0.023	0.967	0.021	0.843
Blood loss	-0.401	0.001	-0.254	0.067	-0.020	0.889
Cobb angle	0.016	0.913	-0.126	0.363	0.087	0.510
Cervical range of motion	0.013	0.923	-0.005	0.976	-0.372	0.004
Intramedullar signal of T2W MRI	-0.562	0.000	-0.128	0.318	0.191	0.127
Canal narrowing ratio	-0.418	0.000	-0.039	0.751	0.229	0.067
Maximum spinal cord compression	0.251	0.045	0.129	0.269	-0.196	0.133

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