Table 2.

Logistic regression analysis of paralysis and nonparalysis

Variables	β	OR	95 % CI	P
Gender	1.354	3.871	1.526–9.821	0.004
Foramen intervertebrale width	-0.402	0.669	0.462–0.969	0.034
OPLL	1.076	2.933	1.054–8.160	0.039
Preoperative cervical curvature	0.109	1.116	1.026–1.213	0.011
T2 at C4-C5	1.886	6.594	3.116–13.953	0.000

β coefficient estimation, OR odds ratio, which means the number of units increased by experimental variables, CI confidence interval, OPLL posterior longitudinal ligament