Table 2.

Change of clinical outcomes, reoperation, and complication proportions of ACDF and PECF cohorts.

	ACDF	ACDF 95% CI	PECF	PECF 95% CI
Change of VAS-arm	2.27	[1.82,2.70]	5.71	[5.20,6.23]
Change of VAS-neck	2.47	[2.09, 2.84]	3.55	[2.42,4.68]
Change of NDI	16.85	[14.96, 19.10]	22.54	[18.77,26.32]
Proportion of reoperation (%)	3.90	[2.77,5.46]	1.00	[0.00,4.00]
Proportion of complication (%)	7.79	[5.54,10.85]	3.00	[1.00,5.00]