Key result
BMI ≥27 is not associated with HOMA-IR or TSH differences versus lower BMI in PCOS.
Why the study?
Patients with PCOS tend to show insulin resistance and higher circulating insulin levels than matched controls, prompting evaluation of the hormonal alterations through BMI on insulin, IR, and thyroid hormone levels.
Does obesity (BMI ≥ 27 kg/m2) alter insulin resistance and thyroid hormone levels compared to normal/overweight (BMI < 27 kg/m2) in patients with PCOS?
Comparison
BMI ≥27kg/m2 vs BMI <27kg/m2
Design
Retrospective clinical analysis
Authors
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May indicate BMI-independent insulin resistance in PCOS; hypothesis-generating and requires prospective validation before clinical adoption.
Observational (n=110)
No
Does obesity (BMI ≥ 27 kg/m2) alter insulin resistance and thyroid hormone levels compared to normal/overweight (BMI < 27 kg/m2) in patients with PCOS?
Absolute Event Rate: 3.1% vs 3.4%
p-value: p=0.344
In patients with PCOS, insulin resistance and thyroid hormone levels did not differ significantly between obese and normal/overweight individuals, suggesting hormonal interactions may be independent of adipose tissue.
GÜRBÜZ et al. (2021) conducted an observational in Polycystic ovary syndrome (PCOS) (n=110). BMI ≥27 kg/m2 (Obesity) vs. BMI <27 kg/m2 (Normal or overweight) was evaluated on Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) (p=0.344). In patients with polycystic ovary syndrome, a BMI ≥27 kg/m2 was not associated with significant differences in HOMA-IR (3.1 vs 3.4, p=0.344) or TSH levels compared to a BMI <27 kg/m2.
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