The effect of passive leg raising on the cross-sectional area of the right internal jugular vein in obese patients undergoing surgery: a prospective observational study.

BMJ Open · 2025 · PMC12083305 · PMID 40374221

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did not reach statistical significancep=0.062so close (0.05 < p ≤ 0.1)

marginal significanceno p-value reported

25 Multivariate linear regression analysis showed a slight negative correlation between BMI and CSAγ, though it did not reach statistical significance (β=−0.071, p=0.062); despite having marginal significance, the effect size was minimal.

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