Using Piezosurgery in Anterior Cervical Discectomy and Fusion to Treat Complex Cervical Spondylotic Myelopathy Is Safe and Effective

Table 1

Comparison of general data between the two groups ().

	Number	Gender		Age (years)	BMI	Surgical level
		Male	Female
Group A	26	15	11	54.00 ± 9.75	24.12 ± 5.06	2	7	11	6
Group B	21	11	10	49.33 ± 8.05	24.26 ± 5.45	2	6	8	5
Statistics value		= 0.133		t = 1.761	t = 0.091	= 0.111
value		0.716		0.085	0.928	0.991

BMI, body mass index.