Validation of prediction models: examining temporal and geographic stability of baseline risk and estimated covariate effects.

Diagn Progn Res · 2017 · PMC5770216 · PMID 29350215

Europe PMC DOI

hedged sentences

0.0478

closest p · 1.0× alpha

0.0478

boldest claim

The sentences

marginally statistically significantP = 0.0478actually significant

The random coefficient model in which both the intercept and the effect of the linear predictor were allowed to vary across hospitals (Model 4) was found to provide a marginally statistically significant improvement in fit compared to the prior model in which only the intercept varied across hospitals (likelihood ratio test: χ 2 = 6.08 ( df = 2), P = 0.0478).

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modestly significantno p-value reported

Among 11 tests of differences in time for predictor variables, only one had a modestly significant P value (0.03).

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