Description: Figure 11 shows that the odds ratio for the meta-analysis of ever versus never use of OCs was 0.75 (95% CI, 0.62 to 0.92).

Figure 11Forest plot for ever versus never OC use (cohort studies, ovarian cancer incidence)

CI = confidence interval; OC = oral contraceptive

From: 2, Oral Contraceptives and Ovarian Cancer

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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