A non-linear optimisation method to extract summary statistics from Kaplan-Meier survival plots using the published P value.

BMC Med Res Methodol · 2020 · PMC7596943 · PMID 33126853

Europe PMC DOI

hedged sentence

0.0700

closest p · 1.4× alpha

0.0700

boldest claim

The sentences

almost approached significanceP = 0.07so close (0.05 < p ≤ 0.1)

In three cases, there was a non-significant relationship between these residuals and time but in the ‘rats’ dataset these were significant ( P = 0.026) whilst the test for the ‘veteran’ dataset almost approached significance ( P = 0.07).

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