Spine
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Retrospective cohort study. ⋯ 3.
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Multicenter Study
Hospital and Surgeon Variation in Patient-reported Functional Outcomes after Lumbar Spine Fusion: A Statewide Evaluation.
Statewide retrospective cohort study using prospectively collected data from the Spine Care and Outcomes Assessment Program, capturing ∼75% of the state's spine fusion procedures. ⋯ 3.
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Retrospective case series. ⋯ 4.
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Basic science. ⋯ N/A.