Spine
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The RAND/UCLA Appropriateness Method is a well-established means of developing criteria for assessing the appropriateness of surgery in specific subpopulations. It involves a systematic review of the literature and ratings by a multidisciplinary panel of national experts. ⋯ 3.
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Multicenter Study
Surgical Morbidity and Mortality Associated with Transoral Approach to the Cervical Spine.
A retrospective cohort analysis of prospectively collected data. ⋯ 4.
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A retrospective subgroup analysis was performed on surgically treated patients from the lumbar spinal stenosis (SpS) arm of the Spine Patient Outcomes Research Trial (SPORT), randomized, and observational cohorts. ⋯ 2.
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Retrospective analysis of a prospectively maintained surgical registry. ⋯ 4.
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A prospective, population-based, birth cohort study. ⋯ 2.