Spine
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Multicenter Study
Predictive Risk Factors of Cervical Spine Instabilities in Rheumatoid Arthritis: A Prospective Multicenter over 10-Year Cohort Study.
A prospective multicenter cohort study for more than 10 years of outpatients with rheumatoid arthritis (RA). ⋯ 3.
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Multicenter Study Clinical Trial
Neurologic Deficits Have a Negative Impact on Patient-Related Outcomes in Primary Presentation Adult Symptomatic Lumbar Scoliosis Surgical Treatment at One-Year Follow-up.
A retrospective analysis of prospective, multicenter National Institute of Health clinical trial. ⋯ 3.
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Prospective multicenter cohort study. ⋯ 3.
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Multicenter Study
Fall-related Deterioration of Subjective Symptoms in Patients with Cervical Myelopathy.
Retrospective multi-center study. ⋯ 4.