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J Psychiatr Res. 2011 Aug;45(8):1036-41. doi: 10.1016/j.jpsychires.2011.02.002. Epub 2011 Mar 4.

Gender-specific lipid profiles in patients with bipolar disorder.

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1
Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA 94305-5723, USA. mvemuri@stanford.edu

Abstract

OBJECTIVE:

High rates of dyslipidemia and insulin resistance (IR) are reported in patients with bipolar disorder (BD). We assessed gender effects upon rates of dyslipidemia/IR in outpatients with BD.

METHODS:

Data from 491 outpatients (ages 18-88) seen in the Stanford Bipolar Disorders clinic between 2000 and 2007 were evaluated. Patients were followed longitudinally and received naturalistic treatment. BD patients (n = 234; 61% female; 42% Type I, 47% Type II, 11% NOS) with a mean age of 40.3 ± 14.0 years, mean BMI 26.8 ± 6.4, and 81% Caucasian, who had one of four lipid measures (total cholesterol, LDL, HDL, TG) at clinicians' discretion, a psychiatry clinic visit within 2 months of laboratory, and were not medicated for dyslipidemia were included. IR was imputed from TG/HDL ratio.

RESULTS:

Women, compared with men, had significantly lower mean triglycerides (105.58 ± 64.12 vs. 137.99 ± 105.14, p = 0.009), higher mean HDL cholesterol (60.17 ± 17.56 vs. 46.07 ± 11.91 mg/dl, p < 0.001), lower mean LDL cholesterol (109.84 ± 33.47 vs. 123.79 ± 35.96 mg/dl, p = 0.004), and lower TG/HDL ratio (1.98 ± 1.73 vs. 3.59 ± 3.14 p < 0.001). Compared to men, women had a significantly lower prevalence of abnormal total cholesterol, LDL, TG, HDL, and TG/HDL ratio. No significant differences were found between men and women with regard to age, BMI, ethnicity, educational attainment, smoking habits, bipolar illness type, illness severity or duration, or weight-liable medication exposure.

DISCUSSION:

In outpatients with BD, women had more favorable lipid profiles than men despite similar demographic variables. This sample of primarily Caucasian and educated patients, receiving vigilant clinical monitoring, may represent a relatively healthy psychiatric population demonstrating gender differences similar to those in the general population.

[Indexed for MEDLINE]

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