The study included 148 patients undergoing posterior interbody fusion and 159 patients undergoing posterolateral fusion.
The study found:
• The posterior interbody fusion patients showed a lower rate of nonunion
• The posterior interbody fusion patients showed a higher disc height
• The posterior interbody fusion patients showed a lower residual rate of slippage
• Segmental and total lumber lordosis was similar in posterior interbody fusion patients and posterolateral fusion patients
The study suggests that posterior interbody fusion has a higher rate of fusion and deformity correction than posterolateral fusion, but further evidence is needed to fully support this conclusion.
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