期刊
CLINICAL ENDOCRINOLOGY
卷 89, 期 6, 页码 779-788出版社
WILEY
DOI: 10.1111/cen.13832
关键词
beta-cell dysfunction; insulin resistance; insulin secretion; metabolic Syndrome; polycystic ovary syndrome
资金
- National Key Research and Development Program of China [2017YFC1001003]
- National Natural Science Foundation of China [81671419, 81471427, 81521002]
Objective To investigate both independent and combined effects of insulin resistance and beta-cell dysfunction on cardio-metabolic abnormalities in polycystic ovary syndrome (PCOS). Design A national epidemiologic survey was performed in reproductive aged females in China from October 2007 to September 2011. Methods A total of 824 PCOS and 2715 non-PCOS were included. The Rotterdam Criteria were applied for PCOS diagnosis. We used the homeostasis model assessment of insulin resistance (HOMA-IR) and HOMA of beta-cell function (HOMA-beta) to evaluate insulin resistance and beta-cell dysfunction, respectively. Results Compared with non-PCOS, PCOS showed a higher index of HOMA-IR and HOMA-beta, and a higher prevalence of obesity, central obesity, and dyslipidaemia. High HOMA-IR was independently related to a high prevalence of obesity, central obesity, dyslipidaemia, and high blood glucose in PCOS. In contrast, a low index of HOMA-beta index was independently correlated with a low prevalence of obesity, and central obesity, but negatively correlated with an elevated prevalence of high blood glucose in PCOS. In addition, proportion of insulin resistance was higher than that of beta-cell dysfunction in PCOS with cardio-metabolic disorders. beta-cell dysfunction was negatively correlated with the prevalence of central obesity and obesity. Conclusions Insulin resistance and beta-cell dysfunction independently affected cardio-metabolic abnormalities in PCOS, while insulin resistance was correlated with a higher prevalence of cardio-metabolic abnormalities than that of beta-cell dysfunction. Moreover, beta-cell dysfunction and insulin resistance showed divergent correlations with obesity in PCOS.
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