Spine
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Retrospective cohort study. ⋯ 3.
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Observational Study
Improvement in Gait Pattern and its Relationship With Preoperative Pelvic Compensation After Surgery in Patients With Sagittal Plane Deformity.
Prospective observational study. ⋯ 3.
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Cross-sectional analysis of the Oxford Pain, Activity and Lifestyle (OPAL) Cohort Study. ⋯ 2.
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Retrospective database analysis. ⋯ 3.
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A genetic association study. ⋯ 3.