The clinical efficacy of laminectomy fusion fixation and posterior single open-door laminoplasty in the treatment of multilevel cervical ossification of the posterior longitudinal ligament (OPLL): a retrospective study

Table 5 The results of Multivariate logistic regression analysis of patients with no significant improvement in neurological function

Independent variable	β	standard error	Wald value	P value	OR	95%CI
Age (y)	1.049	0.530	4.374	0.347	2.372	0.794–11.437
ROM	1.479	0.419	4.926	0.019	7.493	4.236–17.349
CCI	1.194	0.437	5.134	0.539	1.948	0.429–20.048
C2-7 SVA	1.278	0.544	4.348	0.098	5.988	0.972–14.349

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