Incidence rates for uterine leiomyomata reportedly detected by ultrasonography or hysterectomy according to age and race (Black Women’s Health Study [BWHS] and Nurses’ Health Study II [NHS II]). Number of cases: BWHS (Blacks) = 2,279, NHS II (Blacks) = 140, and NHS II (Whites) = 2,679. Dotted bar, 25–29 years; horizontal line bar, 30–34 years; diagonal line bar, 35–39 years; gray bar, 40–44 years; solid black bar, 45+ years.
Wise. Rates for Uterine Leiomyomata in Black Women. Obstet Gynecol 2005.