Relief of Cervicogenic Headaches after Single-Level and Multilevel Anterior Cervical Diskectomy: A 5-Year Post Hoc Analysis.

At 18 and 60 months, patients undergoing CDA experienced a greater mean improvement in headache scores that approached but did not reach statistical significance.

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We used a mixed-models repeated-measures regression to assess the postoperative pain relief and to establish a significant trend of gradually worsening pain from 6 weeks to 1 year, followed by the maintenance of pain relief from 1 to 2 years.

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