In-hospital mortality rates were higher in revision cases but did not reach statistical significance (0.2% vs. 0.1%, OR 3.29, 95% CI 0.45–23.84, p = 0.23) ( Table 4 ).
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Comparative Analysis of Primary and Revision Single-Level Lumbar Fusion Surgeries: Predictors, Outcomes, and Clinical Implications Using Big Data.
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