Chinese General Practice ›› 2025, Vol. 28 ›› Issue (21): 2635-2642.DOI: 10.12114/j.issn.1007-9572.2024.0330

• Original Research • Previous Articles     Next Articles

A Retrospective Analysis of the Association between Serum Uric Acid Levels and Insulin Resistance Degrees in Individuals Undergoing Health Examination

  

  1. 1. The Seventh Affiliated Hospital, Southern Medical University, Foshan 528244, China
    2. School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
    3. Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
  • Received:2024-08-14 Revised:2024-12-11 Published:2025-07-20 Online:2025-06-05
  • Contact: DU Qingfeng

健康体检人群血尿酸水平与胰岛素抵抗程度关系的研究

  

  1. 1.528244 广东省佛山市,南方医科大学第七附属医院
    2.510515 广东省广州市,南方医科大学中医药学院
    3.510315 广东省广州市,南方医科大学中西医结合医院
  • 通讯作者: 杜庆锋
  • 作者简介:

    作者贡献:

    杜庆锋提出主要研究目标,主导研究的构思与设计;梁恒妙、黄锶哲负责研究的实施、数据的收集与整理,统计学分析,图、表的绘制与展示、撰写论文;陈玉婷、刘策参与分析验证和论文的修订;王慧君、杜庆锋负责文章的质量控制与审查。作者均已审阅稿件。

  • 基金资助:
    国家重点研发计划重点专项(2020YFC2006400)

Abstract:

Background

Insulin resistance (IR) has been witnessing an upward trend in incidence rates, with a high comorbidity rate with obesity, dyslipidemia and hyperuricemia. However, the correlation between IR, obesity/dyslipidemia and SUA levels is not well understood.

Objective

To explore the dose-response correlation between homeostatic model assessment for IR (HOMA-IR) and SUA levels, and to evaluate the mediating effect of HOMA-IR on obesity/lipids and SUA levels.

Methods

We conducted a retrospective study that a total of 3 928 adults who underwent physical examination in the Seventh Affiliated Hospital, Southern Medical University from November 2021 to December 2022 were selected and divided into males and females, non-IR and IR subgroups. The dose-response correlation between HOMA-IR and SUA was analyzed by restricted cubic spline (RCS) . The mediating effects of HOMA-IR on correlation between obesity, total cholesterol (TC) , triacylglycerol (TG) , low-density lipoprotein cholesterol (LDL-C) , high-density lipoprotein cholesterol (HDL-C) and SUA levels were analyzed. Linear regression model was used to analyze the correlation between SUA levels and HOMA-IR, fasting blood insulin (FINS) , and fasting blood glucose (FBG) .

Results

Among the 3 928 patients, 3 026 were males and 902 were females. Among the 3 026 males, 757 were IR patients and 2 269 were non-IR patients. The levels of systolic blood pressure (SBP) , diastolic blood pressure (DBP) , SUA, HOMA-IR, FINS, FBG, BMI, waist-hip ratio (WHR) , TG, TC and LDL-C were higher in IR patients than in non-IR patients, age and HDL-C levels were lower in IR patients than in non-IR patients (P<0.05) . Among the 902 females, 226 were IR patients and 676 were non-IR patients. The levels of SBP, DBP, SUA, HOMA-IR, FINS, FBG, BMI, WHR, TG, LDL-C were higher in IR patients than in non-IR patients, HDL-C levels were lower in IR patients than in non-IR patients (P<0.05) . The RCS results showed that there was a non-linear dose-response correlation between HOMA-IR and SUA levels after adjusting covariates, with gender differences presented in this correlation. The SUA levels in males exhibited an approximate ∩-shaped trend (Pnonlinear=0.002) with the increase of HOMA-IR. While in females, SUA levels showed a trend of increasing and then constant (Pnonlinear=0.002) . Whereas, as SUA levels increased, HOMA-IR showed a trend of decreasing and constant in males (Pnonlinear=0.002) , while HOMA-IR showed a U-shaped trend in females (Pnonlinear=0.002) . The results of mediation analysis showed that HOMA-IR partially mediates the correlation between obesity, central obesity, TG and SUA, and the ratio of mediation effect to the total effect was 9.5%, 7.9% and 5.3% in males, 36.1%, 19.9% and 6.5% in females, respectively. HOMA-IR completely mediated the correlation between HDL-C and SUA, and the ratio of mediating effect to total effect was 20.0% in males and 22.0% in females. The patients were stratified by SUA=7.28 mg/dL in males and 4.70 mg/dL in females, respectively. After adjusting covariates, in males, the results of linear regression model analysis showed a negative correlation between SUA and FBG levels (P<0.05) , and individuals SUA≥7.28 mg/dL showed a positive correlation between SUA and FINS levels (P<0.05) ; in females, individuals SUA≥4.70 mg/dL showed a positive correlation between HOMA-IR, FINS and SUA (P<0.05) .

Conclusion

There is a nonlinear dose-response correlation between HOMA-IR and SUA levels. HOMA-IR has a partial mediating effect on the correlation between obesity, TG and SUA levels, and a complete mediating effect on the correlation between HDL-C and SUA levels. FBG is negatively correlated to SUA levels in males.

Key words: Insulin resistance, Serum uric acid, Fasting blood glucose, Obesity, Blood lipid, Physical examination, Retrospective analysis

摘要:

背景

胰岛素抵抗(IR)的发病率逐年升高,与肥胖、血脂异常和高尿酸血症的共患病率较高,目前IR、肥胖/血脂异常和血尿酸(SUA)水平之间的关系尚不清楚。

目的

探讨稳态模型胰岛素抵抗指数(HOMA-IR)与SUA水平之间的剂量反应关系,并评估HOMA-IR在肥胖/血脂四项与SUA水平间的中介效应。

方法

回顾性分析2021年11月—2022年12月在南方医科大学第七附属医院进行健康体检的3 928名成年人的临床数据。根据性别及IR分组,比较组间SUA水平、IR指标、肥胖和血脂指标的差异,采用限制性立方样条(RCS)分析HOMA-IR与SUA之间的剂量反应关系。分析HOMA-IR在肥胖、总胆固醇(TC)、三酰甘油(TG)、低密度脂蛋白胆固醇(LDL-C)、高密度脂蛋白胆固醇(HDL-C)与SUA间的中介作用。采用线性回归模型分析SUA与HOMA-IR、空腹血胰岛素(FINS)、空腹血糖(FBG)的相关性。

结果

3 928名体检者中男3 026名,女902名。3 026名男性体检人群中IR者757名,非IR者2 269名;IR者收缩压(SBP)、舒张压(DBP)、SUA、HOMA-IR、FINS、FBG、BMI、腰臀比(WHR)、TG、TC、LDL-C水平均高于非IR者,年龄、HDL-C水平低于非IR者(P<0.05)。902名女性体检人群中IR者226名,非IR者676名;IR者SBP、DBP、SUA、HOMA-IR、FINS、FBG、BMI、WHR、TG、LDL-C水平均高于非IR者,HDL-C水平低于非IR者(P<0.05)。RCS结果显示,在调整协变量后,HOMA-IR与SUA呈非线性剂量反应关系,该关联存在性别差异;随着HOMA-IR增加,男性SUA呈近似"∩"型改变趋势(P非线性=0.002),女性SUA先增加后不变(P非线性=0.002);而随着SUA升高,男性HOMA-IR呈先下降后不变的趋势(P非线性=0.002),而女性HOMA-IR呈近似"U"型的改变趋势(P非线性=0.002)。中介分析结果显示,HOMA-IR部分介导了肥胖、中心性肥胖、TG与SUA间的关联,中介效应占比在男性中分别为9.5%、7.9%、5.3%,在女性中分别为36.1%、19.9%、6.5%;HOMA-IR完全介导了HDL-C与SUA间的关联,中介效应占比在男性和女性中分别为20.0%、22.0%。分别对男性、女性人群以SUA=7.28 mg/dL和4.70 mg/dL分层,调整协变量后,线性回归模型分析结果显示,男性中,SUA与FBG始终呈负相关(P<0.05),当SUA≥7.28 mg/dL时,SUA与FINS呈正相关(P<0.05);女性中,当SUA≥4.70 mg/dL时,SUA与HOMA-IR、FINS均呈正相关(P<0.05)。

结论

HOMA-IR与SUA具有非线性剂量反应关系。HOMA-IR在肥胖、TG与SUA存在部分中介作用,而在HDL-C与SUA存在完全中介作用。男性人群FBG与SUA显著负相关。

关键词: 胰岛素抵抗, 血尿酸, 空腹血糖, 肥胖, 血脂, 体格检查, 回顾性分析

CLC Number: