Skin care education and individual counselling versus treatment as usual in healthcare workers with hand eczema: randomised clinical trial.

BMJ · 2012 · PMC3520547 · PMID 23236031

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highly significantno p-value reported

For our primary outcome, we observed a highly significant 3.56 difference in score on the hand eczema severity index between intervention and control groups at follow-up.

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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.