Association between prehospital vitamin D status and incident acute respiratory failure in critically ill patients: a retrospective cohort study.

BMJ Open Respir Res · 2015 · PMC4477148 · PMID 26113982

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nearly statistically significantno p-value reported

When we investigated effect modification by season of 25(OH)D draw, we identified a nearly statistically significant interaction term for 25(OH)D and acute respiratory failure (p interaction=0.07).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.