Spine
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Retrospective, economic analysis. ⋯ 3.
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Observational Study
Impact of Psychiatric Comorbidities on Short-Term Outcomes Following Intervention for Lumbar Degenerative Disc Disease.
Retrospective, observational cohort study. ⋯ 4.
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Retrospective analysis of a prospective registry OBJECTIVE.: To investigate associations of preoperative narcotic use with outcomes after adult spinal deformity (ASD) surgery. ⋯ 3.
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A prospective, nonrandomized study. ⋯ 3.