Neck circumference is a good predictor for insulin resistance in women with polycystic ovary syndrome

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Authors:

Yun Chen, M.D., Xin Zheng, B.S., Danyan Ma, M.D., Silan Zheng, M.D., Yan Han, M.D., Weijuan Su, M.D., Wei Liu, M.D., Ph.D., Fangsen Xiao, M.D., Mingzhu Lin, M.D., Xiaohong Yan, M.D., Tongjin Zhao, Ph.D.,  Changqin Liu, M.D., Ph.D.

Abstract:

Objective

To assess the role of neck circumference (NC) in assessing insulin resistance (IR) in polycystic ovary syndrome (PCOS).


Design

A cross-sectional study.


Setting

University-affiliated hospital.


Patient(s)

One hundred forty-three women with PCOS were recruited from November 2018 to February 2020.


Intervention(s)

None.


Main Outcome Measure(s)

The associations of NC with IR and the cutoff points of NC for IR.


Result(s)

The prevalence rates of IR were 64.3%. The patients with PCOS with IR had significantly greater values of systolic blood pressure, NC, body mass index, waist-to-hip ratio, waist circumference, fasting blood glucose, fasting insulin, and homeostasis model assessment of insulin resistance (HOMA-IR). Pearson correlation analysis showed body mass index (log-transformed), waist circumference, waist-to-hip ratio, and HOMA-IR (log-transformed) were positively correlated with NC. Multivariable linear regression showed that NC was significantly associated with HOMA-IR (log-transformed), with the standardized regression coefficient of 0.330 with adjustment for potential confounding factors. Furthermore, multivariate logistic regression analyses showed NC was associated significantly with increased risk of IR, with the adjusted odds ratio of 1.423. Additionally, NC was able to identify IR in women with PCOS; the optimal cut-off points was 34.3 cm (Youden index = 0.586).


Conclusion(s)

Neck circumference is positively associated with IR in women with PCOS. We suggest NC as a novel, simple, practical, and reliable anthropometric measure to be used to predict the risk of IR in patients with PCOS.

Fertility and Sterility

Editorial Office, American Society for Reproductive Medicine

Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. The journal publishes juried original scientific articles in clinical and laboratory research relevant to reproductive endocrinology, urology, andrology, physiology, immunology, genetics, contraception, and menopause. Fertility and Sterility® encourages and supports meaningful basic and clinical research, and facilitates and promotes excellence in professional education, in the field of reproductive medicine.

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