Spine
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Retrospective review. ⋯ 4.
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A cohort study with 12 months of follow-up. ⋯ 1.
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Serial cross-sectional study utilizing the National Inpatient Sample (NIS) 2005 to 2014. ⋯ 3.
Retrospective review. ⋯ 4.
A cohort study with 12 months of follow-up. ⋯ 1.
Serial cross-sectional study utilizing the National Inpatient Sample (NIS) 2005 to 2014. ⋯ 3.