Spine
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Retrospective study using prospectively collected registry data. ⋯ 3.
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Descriptive epidemiology study. ⋯ 4.
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Multicenter Study
Differential Psychometric Properties of EuroQoL 5-Dimension 5-Level and Short-Form 6-Dimension Utility Measures in Low Back Pain.
Prospective study. ⋯ 2.
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Retrospective cohort study OBJECTIVE.: To study 30- and 90-day readmission rates, causes, and risk factors after anterior cervical discectomy and fusion (ACDF) and posterior cervical fusion (PCF). ⋯ 3.
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Prospective cohort study. ⋯ 3.