An open-label observational study and meta-analysis of non-invasive vagus nerve stimulation in medically refractory chronic cluster headache.

Front Neurol · 2023 · PMC10098146 · PMID 37064192

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did not reach statistical significanceno p-value reported

There was a reduction in the cohort’s HIT-6 scores of 3.3 points (95% CI 0.9 to 5.7; p = 0.009), which did not reach statistical significance after Bonferroni correction.

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