Reduced Cerebral Blood Flow in the Early Chronic Phase of Recurrent Concussion Among Female Collegiate-Aged Athletes.

Hum Brain Mapp · 2026 · PMC13282561 · PMID 42322082

Europe PMC DOI

hedged sentences

0.0550

closest p · 1.1× alpha

0.1000

boldest claim

The sentences

approached significancep = 0.055so close (0.05 < p ≤ 0.1)

Subsequent split‐by‐sex pairwise comparisons revealed no statistically significant differences between groups, although the 0 versus 2+ contrast approached significance for global GM CBF pvc in female athletes ( B = −8.37 mL/100 g/min [95% CI −16.90, 0.17], p = 0.055; Table S3 ).

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did not reach statistical significancep = 0.10so close (0.05 < p ≤ 0.1)

Although the concussion history‐by‐progesterone interaction did not reach statistical significance ( p = 0.10), the direction of the association suggests progestational activity may influence the concussion history–CBF pvc relationship.

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