Zero-profile implant (Zero-p) versus plate cage benezech implant (PCB) in the treatment of single-level cervical spondylotic myelopathy

Table 3 Comparisons of Japanese Orthopaedic Association (JOA) scores between two groups

Group	Case	Preoperative JOA score	3 months Postoperative JOA score	Final follow-up JOA score
Zero-p group	27	8.9 ± 1.1^**	14.1 ± 1.5^,*	14.3 ± 1.5^,*
PCB group	30	8.7 ± 1.4	13.9 ± 1.5^*	14.1 ± 1.6^*

^*Compared with the same group of preoperative P < 0.05; ^**compared with PCB group at the same time points P > 0.05

ISSN: 1471-2474