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Association between serum lipids concentration and patients with age-related cataract in China: a cross-sectional, case-control study.

Association between serum lipids concentration and patients with age-related cataract in China: a cross-sectional, case-control study.
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Li S, Li D, Zhang Y, Teng J, Shao M, Cao W,


Li S, Li D, Zhang Y, Teng J, Shao M, Cao W, (click to view)

Li S, Li D, Zhang Y, Teng J, Shao M, Cao W,

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BMJ open 2018 04 058(4) e021496 doi 10.1136/bmjopen-2018-021496
Abstract
OBJECTIVE
Obesity and a high-fat diet have been found to be associated with an increased risk of age-related cataract (ARC). Thus, this study aimed to investigate whether serum lipid levels are associated with the incidence of ARC.

DESIGN
Cross-sectional, case-control study.

SETTING
EyeandENT Hospital of Fudan University, Shanghai, China.

PARTICIPANTS
A total of 219 ARC (male=94, female=125) subjects and 218 (male=110, female=118) normal control subjects were recruited in this study.

OUTCOME MEASURES
A detailed eye and systematic examination was performed. Serum high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), triglyceride (TG) and cholesterol (CHO) levels were measured by enzymatic colorimetry, and serum apolipoprotein A (APOA) and apoB (APOB) levels were measured by immunoturbidimetry. The subgroups were classified according to gender and types of disease (cortical, nuclear and posterior subcapsular cataract). Logistic regression analyses were performed to identify the association between serum lipid levels and ARC.

RESULTS
The serum LDL-C, TG, CHO and APOA levels were significantly higher (p<0.05) in the ARC group than in the control group. A similar result was observed when the serum lipid concentrations were compared between the ARC and control groups both in male and female subgroups. A higher proportion of individuals in the ARC group had higher LDL-C, TG, CHO and APOA levels (fold=3.45, 17.37, 3.27 and11.91, respectively; p<0.0001 in all cases) than in the control group. Results of the logistic regression analyses revealed that high LDL-C (ORs=1.897, 95% CI 0.960 to 3.678) and TG (OR=1.854, 95% CI 1.232 to 2.791) were the independent risk factors for ARC. CONCLUSION
The serum LDL-C and TG levels were demonstrated to be independent risk factors for ARC.

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