lowest quartiles, matching factors model: IRR = 8.72, 95% CI: 2.78–27.29; most adjusted multivariable model with Fischer’s ratio: IRR = 11.76, 95% CI: 1.70–81.40, P trend = 0.021). Effect modifications and sensitivity analyses For all variables tested, no statistically significant effect modification were observed (all P >0.26), except for sex, which demonstrated as borderline non-significant (Table 4 ; P values for interaction by sex ≥0.03, see the footnotes).
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Exposure to bacterial products lipopolysaccharide and flagellin and hepatocellular carcinoma: a nested case-control study.
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