Impact of bariatric surgery on headache frequency and severity and quality of life in patients with migraine: a prospective study.

BMJ Neurol Open · 2026 · PMC13110520 · PMID 42046566

Europe PMC DOI

hedged sentences

0.0510

closest p · 1.0× alpha

0.0700

boldest claim

The sentences

a trend toward significancep=0.051so close (0.05 < p ≤ 0.1)

Type of surgery showed a trend toward significance, with gastric bypass yielding higher odds of improvement compared with sleeve gastrectomy (B=2.873, OR=17.682, 95% CI 0.987 to 316.806, p=0.051).

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approached significancep=0.070so close (0.05 < p ≤ 0.1)

Baseline HIT-6 score also approached significance (B=0.091, OR=1.096, 95% CI 0.993 to 1.209, p=0.070).

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did not reach statistical significanceno p-value reported

These findings suggest that BMI reduction is the most robust predictor, while surgery type and baseline disability may contribute but did not reach statistical significance ( table 5 ).

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