期刊
EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY
卷 133, 期 2, 页码 203-207出版社
ELSEVIER
DOI: 10.1016/j.ejogrb.2006.10.038
关键词
insulin resistance; polycystic ovary syndrome; glucose metabolism
Objective: The objective was to compare agreement on the diagnosis of insulin resistance (IR) among insulin sensitivity indexes in both ovulatory women and those with polycystic ovary syndrome (PCOS). Study design: In an observational study, the 75-g oral glucose tolerance test was performed in 105 women with PCOS and 51 ovulatory women. The insulin sensitivity indexes used were insulin quantitative sensitivity check index (QUICKI), 1/homeostasis model assessment-insulin resistance (1/HOMA-IR), area under curve for insulin (AUC-I), and the Matsuda insulin sensitivity index (COMP). For the IR diagnosis we used cut-off values described in recent publications (insulin >12 mu IU/ml, 1/HOMA-IR <0.47, QUICKI <= 0.333, AUC-I >= 7000 mu IU/ml 120 min, and COMP <4.75. Results: Excellent agreement was assessed among insulin, QUICKI, and 1/HOMA-IR. However, the rate of IR detected by these indexes in the PCOS group (44.8-51.4%) was lower than expected. New cut-offs were then determined based on COMP results. Using these values, l/ HOMA-IR and QUICKI showed excellent agreement (K = 0.83) with COMP. Conclusion: The observed agreements among insulin, QUICKI and 1/HOMA-IR were higher than 93%. Therefore, clinicians may choose any of those obtaining similar results. For clinicians who prefer COMP, but are looking for a simpler test to detect IR in PCOS women, the use of QUICKI and 1/HOMA-fR with the new cut-offs seems reasonable. (C) 2007 Elsevier Ireland Ltd. All rights reserved.
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