Abdominal Obesity and Endometrial Cancer in Egyptian Females With Postmenopausal Bleeding
2011
Zaki, Adel | Gaber, Afaf | Ghanem, Ebrahim | Moemen, Maha | Shehata, Gihan
Endometrial cancer is the most common type of female genital tract malignancies. We intended to assess the relation between different measures of obesity and the risk to develop endometrial cancer in Egyptian females with postmenopausal bleeding (PMB). The study was conducted in Alexandria, Egypt and included all postmenopausal females presenting to the University Hospital of Gynecology and Obstetrics with PMB within the study period (from January 1 to September 30). A questionnaire was completed, and data about anthropometric measurements including weight, height, and waist circumference were collected. Vaginal sonography, dilatation and curettage, and pathological examination were done by experts for all participants. Endometrial cancer was diagnosed in 38% of females presenting with PMB. Using ROC curve analysis, only the measure of abdominal obesity (waist circumference) showed significant accuracy in predicting endometrial cancer (area = 0.63, P < .05). The best cutoff point that maximizes accuracy was 88 cm. Body mass index (≥30 vs. ≤30) showed no significant relation (OR = 1.1, 95%CI 0.5–2.3), and the ratio between upper and lower body obesity (W/H ratio) showed border line significant relation (OR = 2, 95% CI 1–4.1), whereas waist circumference (≥88 vs. ≤88 cm) showed strikingly high OR (OR = 13.6, 95%CI 4–46.6). The risk of abdominal obesity on endometrial cancer remains very high (OR = 15.8, 95%CI 4.1–60.9) even after adjustment, in a logistic model, for other risk factors such as age at presentation, age at menarche, age at menopause, family history of malignancy, and gravidity. Abdominal obesity (waist circumference >88 cm) is the best measure of obesity to be used in predicting the risk of endometrial cancer in Egyptian females with PMB.
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