The purpose of the study is to determine the cost-effectiveness of different surgical strategies to treat cervical spondylotic myelopathy. The study will use data generated from the CSM-S Trial (NCT02076113). 1. To determine if laminoplasty is more cost-effective compared to dorsal fusion or ventral fusion surgery. 2. To determine the relative cost-effectiveness between anterior cervical discectomy and fusion (ACDF), posterior instrumented cervical fusion (PCF), and cervical laminoplasty.
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Total Health Costs - Societal Perspective
Timeframe: 5 years