Spine
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Single-surgeon retrospective case series. ⋯ 4.
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Multicenter Study
Post-Operative Perfection: Ceiling Effects and Lack of Discrimination with Both SRS-22 and 24 Outcomes Instruments In Adolescent Idiopathic Scoliosis Patients.
Review of a prospective database registry. ⋯ 3.
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Animal experimental study with intervention. ⋯ 3.
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Retrospective review of a prospective database. ⋯ 3.
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Longitudinal design. A cohort followed in 3 waves of data collection. ⋯ 3.