Spine
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Comparative Study
Does Augmented Reality Navigation Increase Pedicle Screw Density Compared to Free-Hand Technique in Deformity Surgery? Single Surgeon Case Series of 44 Patients.
Retrospective comparison between an interventional and a control cohort. ⋯ 3.
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Observational Study
Clinical Features of Sarcopenia in Patients with Lumbar Spinal Stenosis.
Cross-sectional design. ⋯ 4.
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A retrospective study (level of evidence: level 4). ⋯ 4.
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Observational Study
Lordosis Recreation with PLIF Surgery - What Is the Influence on Adjacent Segment Lordosis? - An Observational Study of Radiological Alignment Change.
Retrospective cohort. ⋯ 3.
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Retrospective. ⋯ 3.