Comparison of Anterior and Posterior Approaches for Acute Traumatic Central Spinal Cord Syndrome with Multilevel Cervical Canal Stenosis without Cervical Fracture or Dislocation

Table 5

Clinical function measured by the Japanese Orthopaedic Association (JOA) score.

Group (n = 59)	Admission	Discharge		Sixth month		Final visit
	JOA score	JOA score	RR (%)	JOA score	RR (%)	JOA score	RR (%)
A (35)	9.40 ± 2.37	11.60 ± 2.15	30.23 ± 10.80	13.91 ± 1.42	60.07 ± 10.36	14.77 ± 1.52	72.97 ± 13.03
B (24)	8.63 ± 2.58	10.92 ± 2.25	27.93 ± 10.52	13.58 ± 1.47	59.70 ± 10.13	14.33 ± 1.74	70.86 ± 12.80

JOA: Japanese Orthopaedic Association; RR: recovery rate. Significance compared with the JOA score at admission, ; significance compared with the RR at discharge, .