The 5-year cost-effectiveness of anterior cervical discectomy and fusion and cervical disc replacement: a Markov analysis.

Study Design.A Markov state-transition model was developed to evaluate the cost-effectiveness of anterior cervical discectomy and fusion (ACDF) and cervical disc replacement (CDR) at 5 years.Objective.To determine the cost-effectiveness of ACDF and CDR at 5 years.Summary of Background Data.ACDF and