The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 3 Comparison between preoperative VAS-A and at different follow-up intervals among ACDF group

From: Single level anterior cervical discectomy and fusion versus dynamic cervical implant: clinical and radiological outcome

	Mean	± SD
Pre VAS-A	7.87	0.743
Post VAS-A 1 month	1.20	0.862
Post VAS-A 3 months	0.60	0.632
Post VAS-A 12 months	0.33	0.488

Repeated measure ANOVAs. Pre vs 1 month (HS), pre vs 3 months (HS), pre vs 12 months (HS), 1 month vs 3 months (HS), 1 month vs 12 months (HS), 3 months vs 12 months (S), using Post Hoc test
VAS-A Visual analogue scale for arm pain, SD Standard deviation, S Significant, HS Highly significant

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