[Retracted] Clinical Efficacy and Safety of Anterior Cervical Decompression versus Segmental Fusion and Posterior Expansive Canal Plasty in the Treatment of Multilevel Cervical Spondylotic Myelopathy

Table 1

Clinical features of multilevel cervical disc herniation.

Subgroup analysis	Cases (n)	Gender		Age (Year)	Time of disease	Distribution of surgical segments
		Male	Female			C3–C6	C4–C7
Anterior group	34	24	10	56.7 ± 12.5	10.2 ± 2.7	26	8
Posterior group	22	8	14	59.1 ± 8.2	10.6 ± 3.6	15	7
t		0.212		0.425	0.771	0.562
		0.345		0.765	0.223	0.501