Review Article
Could the Topping-Off Technique Be the Preventive Strategy against Adjacent Segment Disease after Pedicle Screw-Based Fusion in Lumbar Degenerative Diseases? A Systematic Review
Table 4
Data in the hybrid stabilization device, interspinous process device, and fusion groups.
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The bold numbers in the p values indicated statistical significance. NA indicates not available. The authors did not exclude those who lost follow-up in the demographic results. The mean age was just estimated. Two papers only mentioned numbers of revision surgeries for symptomatic ASD but did not mention numbers of symptomatic ASD. (The result might be underestimated.) Only 3 cited manuscripts reported their results. |