The correlation p-values for subsets of the data that include only those observations with both ΔC and |ΔL| values below various cutoff points revealed that correlations did not begin to trend toward significance until ΔC > 1.5.
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Postoperative lead migration in deep brain stimulation surgery: Incidence, risk factors, and clinical impact.
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This was significant in our dystonia cases, and even though the analysis of the PD cohort did not reveal a statistically significant difference between the migration and the non-migration group, there was a clear trend, and there were certainly individual patients who lost DBS effectiveness after lead migration.