Additive hazard regression models: an application to the natural history of human papillomavirus.

Comput Math Methods Med · 2013 · PMC3569891 · PMID 23424606

Europe PMC DOI

hedged sentence

0.0001

closest p · 0.0× alpha

0.0001

boldest claim

The sentences

highly significantP < 0.0001actually significant

The P for trend was calculated by treating HIV/CD4 group as an ordinal variable with four levels (0 to 3) and was highly significant ( P < 0.0001).

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