Spine
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We performed a comprehensive search of PubMed, MEDLINE, and EMBASE for all English language studies of all levels of evidence pertaining to Spine Patient Outcomes Research Trial (SPORT), in accordance with Preferred Reported Items for Systematic Reviews and Meta-analyses guidelines. ⋯ 2.
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We performed a comprehensive search of Pubmed, MEDLINE, and EMBASE for all English-language studies of all levels of evidence pertaining to SPORT, in accordance with Preferred Reported Items for Systematic Reviews and Meta-analayses (PRISMA) guidelines. ⋯ 3.
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Retrospective study. ⋯ 4.
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A retrospective analysis. ⋯ 4.