Table 28Estimated odds ratios by duration of OC use (cervical cancer incidence)

DurationOdds Ratio (95% Confidence Interval)P-value
< 60 months0.99 (0.58 to 1.70)0.975
> 60 months1.47 (0.91 to 2.38)0.097

From: 3, Oral Contraceptives and Other Cancers

Cover of Oral Contraceptive Use for the Primary Prevention of Ovarian Cancer
Oral Contraceptive Use for the Primary Prevention of Ovarian Cancer.
Evidence Reports/Technology Assessments, No. 212.
Havrilesky LJ, Gierisch JM, Moorman PG, et al.

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