Table 2.

VAS neck and arm pain scores before, after the surgery and at different time points of follow up

		ACDF	TDR	P
VAS Neck pain	Preoperatively	6.6 ± 1.4	6.7 ± 1.6	0.40
	Before discharge	3.5 ± 2.2	2.4 ± 1.3	<0.01
	1	2.4 ± 1.2	1.1 ± 0.6	<0.01
	3	2.0 ± 1.1	0.8 ± 0.4	<0.01
	5	2.0 ± 1.2	1.0 ± 0.3	<0.01
	8	1.9 ± 1.1	1.0 ± 0.4	<0.01
VAS Arm pain	Preoperatively	6.8 ± 1.2	6.7 ± 1.4	0.36
	Before discharge	4.1 ± 1.1	2.1 ± 0.9	<0.01
	1	2.0 ± 0.9	1.1 ± 0.5	<0.01
	3	1.6 ± 0.9	0.8 ± 0.4	<0.01
	5	1.4 ± 0.9	0.8 ± 0.3	<0.01
	8	1.6 ± 0.8	0.7 ± 0.4	<0.01