Spine
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A retrospective analysis. ⋯ Sensitivity-based and specificity-based methods provide statistically sound minimum clinically important difference thresholds for the DNDLS population. The minimum clinically important difference thresholds for PROMs in patients with DNDLS were different from the threshold values previously reported for adult patients with spinal deformities.
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Observational Study
Persistent Use of Prescription Opioids Before and After Lumbar Spine Surgery: Observational Study With Prospectively Collected Data From Two Norwegian National Registries.
Prospective pharmacoepidemiologic study. ⋯ 2; Prospective observational study.
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Retrospective case series. ⋯ 4.
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In vitro biomechanical study. ⋯ Facet joint violation during single-level pedicle screw-rod fixation was associated with increased superior adjacent level mobility and alteration of disc surface strains, with significant increases in selected regions and directions of loading.