Parity as a cofactor for high-grade cervical disease among women with persistent human papillomavirus infection: a 13-year follow-up.

Br J Cancer · 2013 · PMC3553518 · PMID 23169283

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of borderline significanceno p-value reported

In our study, the subgroup of women with persistent HPV infection, ever use as opposed to never use of OC, was related to a decreased risk for CIN3+ of borderline significance and a statistically significantly decreased risk was found with 4 or less years of OC use.

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did not reach statistical significanceno p-value reported

In the model where adjustment was made for smoking status, length of schooling, and HPV16 positivity, the HR did not reach statistical significance but was still markedly increased (HR=1.58; 95% CI: 0.91–2.74).

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