Fertility and sterility · 2005
Association of endometriosis with body size and figure.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеПоддержка NIH: внешняя программаResearch Support, N.I.H., IntramuralПоддержка службы здравоохранения СШАНазвание и аннотация: Перевод пока не подготовлен
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Hediger Mary L, Hartnett Heather J, Louis Germaine M Buck
Аннотация
OBJECTIVE: To determine whether body size and perceived figure, both current and historical, are associated with a diagnosis of endometriosis on laparoscopy.
DESIGN: Cohort study of consecutively identified patients undergoing laparoscopy for tubal sterilization or as a diagnostic procedure.
SETTING: Two university-affiliated hospitals.
PATIENT(S): A cohort of 84 women aged 18-40 years. Endometriosis was visualized in 32 cases; 52 women (controls) had no visualized endometriosis, including 22 undergoing tubal sterilization and 30 with other gynecologic pathology.
INTERVENTION(S): None.
MAIN OUTCOME MEASURE(S): Body mass index (BMI, kg/m2) from self-report and perception of body figure were compared for their ability to predict case status (diagnosed endometriosis), using logistic regression models. Longitudinal trends in BMI based on perceived figure at 5-year intervals from age 15 years were compared using mixed linear models.
RESULT(S): Based on self-report, women diagnosed with endometriosis were taller, thinner, and had a significantly lower BMI. In this series, cases were more likely to be late maturers (menarche at > or = 14 y) and late to initiate sexual activity (> or = 21 y), and they were less likely to be gravid, parous, and a current smoker. Adjusting for age (in years), being tall (height > or = 68 in), and parity (yes vs. no), a higher current BMI was statistically protective for a diagnosis of endometriosis, regardless of whether BMI was determined by self-report (adjusted odds ratio [AOR] = 0.88, 95% confidence interval [CI] 0.79-0.99) or from perceived figure (AOR = 0.86, 95% CI 0.75-0.99). For every unit increase in BMI (kg/m2), there was an approximate 12%-14% decrease in the likelihood of being diagnosed with endometriosis. In an adjusted repeated measures model, BMI was 21.3 +/- 0.6 kg/m2 (estimate +/- SE) for women with endometriosis, compared with 23.2 +/- 0.4 kg/m2 for the controls, a difference over all ages of -1.9 +/- 0.8 kg/m2. This is a consistent difference of about 10 lb at every age, assuming an average height of about 64.5 in.
CONCLUSION(S): In a laparoscopy cohort, women diagnosed with endometriosis were found to have a lower BMI (leaner body habitus), both at the time of diagnosis and historically. That women diagnosed with endometriosis may have a consistently lean physique during adolescence and young adulthood lends support to the suggestion of there being an in utero or early childhood origin for endometriosis.
DESIGN: Cohort study of consecutively identified patients undergoing laparoscopy for tubal sterilization or as a diagnostic procedure.
SETTING: Two university-affiliated hospitals.
PATIENT(S): A cohort of 84 women aged 18-40 years. Endometriosis was visualized in 32 cases; 52 women (controls) had no visualized endometriosis, including 22 undergoing tubal sterilization and 30 with other gynecologic pathology.
INTERVENTION(S): None.
MAIN OUTCOME MEASURE(S): Body mass index (BMI, kg/m2) from self-report and perception of body figure were compared for their ability to predict case status (diagnosed endometriosis), using logistic regression models. Longitudinal trends in BMI based on perceived figure at 5-year intervals from age 15 years were compared using mixed linear models.
RESULT(S): Based on self-report, women diagnosed with endometriosis were taller, thinner, and had a significantly lower BMI. In this series, cases were more likely to be late maturers (menarche at > or = 14 y) and late to initiate sexual activity (> or = 21 y), and they were less likely to be gravid, parous, and a current smoker. Adjusting for age (in years), being tall (height > or = 68 in), and parity (yes vs. no), a higher current BMI was statistically protective for a diagnosis of endometriosis, regardless of whether BMI was determined by self-report (adjusted odds ratio [AOR] = 0.88, 95% confidence interval [CI] 0.79-0.99) or from perceived figure (AOR = 0.86, 95% CI 0.75-0.99). For every unit increase in BMI (kg/m2), there was an approximate 12%-14% decrease in the likelihood of being diagnosed with endometriosis. In an adjusted repeated measures model, BMI was 21.3 +/- 0.6 kg/m2 (estimate +/- SE) for women with endometriosis, compared with 23.2 +/- 0.4 kg/m2 for the controls, a difference over all ages of -1.9 +/- 0.8 kg/m2. This is a consistent difference of about 10 lb at every age, assuming an average height of about 64.5 in.
CONCLUSION(S): In a laparoscopy cohort, women diagnosed with endometriosis were found to have a lower BMI (leaner body habitus), both at the time of diagnosis and historically. That women diagnosed with endometriosis may have a consistently lean physique during adolescence and young adulthood lends support to the suggestion of there being an in utero or early childhood origin for endometriosis.