Safety and Efficiency of Biomimetic Nanohydroxyapatite/Polyamide 66 Composite in Rabbits and Primary Use in Anterior Cervical Discectomy and Fusion

Table 1

Demographic data of cervical spondylitis.

	PEEK group; (𝑛=30)	n-HA/PA66 group; (𝑛=30)
M : F	18 : 12	19 : 11
One level	22	24
Two levels	8	6
C4-C5	9	10
C5-C6	18	17
C6-C7	11	9
Radiculopathy	8	9
Myelopathy	16	14
Radiculomyelography	6	7

There are no statistical differences in each item between the groups.