Natural history and surgical treatment of chordoma: a retrospective cohort study.

Sao Paulo Med J · 2014 · PMC10496744 · PMID 25075583

Europe PMC DOI

hedged sentence

0.2500

closest p · 5.0× alpha

0.2500

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The sentences

did not reach statistical significanceP = 0.25not close (p > 0.1)

When we grouped the patients with mobile spine and clivus tumors, we found that the sacral tumors had higher rates of negative margins (62.5% versus 33.3%), although this did not reach statistical significance (P = 0.25).

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