Ovarian cancer and smoking: individual participant meta-analysis including 28,114 women with ovarian cancer from 51 epidemiological studies.

Lancet Oncol · 2012 · PMC3431503 · PMID 22863523

Europe PMC DOI

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barely significantno p-value reported

Hence, the overall increase in incidence of ovarian cancer in smokers is small and, even in this extensive dataset, barely significant.

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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.