The study authors examined prospectively collected data from the FDA investigational device exemption clinical trial for the Mobi-C cervical disc and anterior cervical discectomy and fusion. There were 512 patients included in the study with data for 60 months after surgery. The researchers found:
1. Two years after surgery, the following factors were excellent predictors of patient satisfaction:
• Neck Disability Index improvement
• Absolute NDI score
• Absolute Visual Analog Scale neck pain score
2. Five years after surgery, the excellent predictors of patient satisfaction were:
• NDI score improvement
• Absolute NDI score
• VAS neck pain score improvement
• Absolute VAS neck pain score
3. The study authors concluded surgeons could predict patient-reported outcomes two and five years after surgery for patients undergoing one- and two-level cervical procedures based on the NDI and VAS neck score.
4. LDR, now owned by Zimmer Biomet, supported the research.
5. The researchers also examined Short Form-12 scores, but those scores were not listed among the predictors of patient satisfaction.
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