Spine
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A retrospective database analysis. ⋯ 3.
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Prospective cohort study. ⋯ 3.
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A retrospective study. ⋯ Patients with preoperative sagittal imbalance have a statistically significant increased risk of ASD. The risk of ASD incidence was 5.1 times greater in subjects with preoperative PT of more than 22.5°.
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Retrospective analysis of a prospective, multicenter cohort study. ⋯ 3.