Table 5.

Multiple logistic regression analysis between improved and unimproved group.

Status	P value	OR	95% confidence interval
Age	0.132	1.043	0.987–1.101
Sex	0.766	1.295	0.236–7.101
Multiple lesions	0.336	0.058	0.000–19.108
Family history	0.156	10.770	0.403–287.806
Sensory deficits	0.006	10.860	1.965–60.008
Duration of symptoms (months)	0.007	1.154	1.040–1.280
Mean size of CMs	0.426	0.531	0.112–2.523
Hemorrhage	0.998	1.385E + 10	–
ASIA scale	0.998	1.559E + 11	–
Surgical resection	0.863	1.568	0.022–110.217
Lesions in the spinal cord	0.011	0.067	0.008–0.540
Surgical approach	0.105	0.271	0.056–1.316