Prognostic factors for surgical outcome in spinal cord injury associated with ossification of the posterior longitudinal ligament (OPLL)

Table 2 Multivariate regression analysis results for the recovery ratio and other factors

Recovery ratio	Coef.	s.e.	t value	p value	95 % CI
Age	−1.073	0.394	−2.727	0.0098	−1.872 to -0.275
Operation interval	0.737	1.151	0.640	0.526 NS	−1.598 to 3.071
Cervical alignment	0.284	0.611	0.464	0.645 NS	−0.956 to 1.523
Cervical stenosis (Pavlov ratio)	1.958	25.642	0.0763	0.939 NS	−50.099 to 54.014
SAC	4.822	1.913	2.520	0.016	0.934 to 8.711
SI length	−0.868	0.660	−1.316	0.196 NS	−2.207 to 0.470
SI grade	−7.996	5.328	−5.254	<0.001	−8.802 to -3.189
Preoperative motor score	0.876	0.128	6.872	<0.001	0.618 to 1.135

SAC space available for the spinal cord, SI signal intensity, Coef. regression coefficient, s.e. standard error, NS non-significant

ISSN: 1749-799X