非酒精性脂肪肝、非酒精性脂肪肝合并代谢综合征患者血清脂联素水平及其与胰岛素抵抗程度的相关性分析

目的 研究非酒精性脂肪肝、非酒精性脂肪肝合并代谢综合征患者血清脂联素水平及其与胰岛素抵抗程度的相关性.方法 选取非酒精性脂肪肝106例,非酒精性脂肪肝合并代谢综合征58例,单纯肥胖32例,健康体检42例作为对照组.测定体重指数（BMI）和腰臀比（WHR）,检测空腹血糖（FBS）、丙氨酸氨基转移酶（ALT）、胆固醇（TC）、甘油三脂（TG）和高密度脂蛋自（HDL）等生化指标并行肝脏B超检查.放射免疫法测定空腹胰岛素（FINS）水平,计算胰岛素抵抗指数（HOMA）.同时酶联免疫法测定血清脂联素水平,并用相关及多元回归分析脂联素与各参数的相关性.结果 非酒精性脂肪肝组BMI、ALT、TC、TG、FBS、FINS和HOMA均较正常对照组高,HDL和脂联素水平较正常对照组低;非酒精性脂肪肝合并代谢综合征组胰岛素抵抗程度较非酒精性脂肪肝组更严重,脂联素水平更低.单纯肥胖组ALT、TC高于对照组,脂联素水平有下降趋势.非酒精性脂肪肝ALT异常组与ALT正常组比较,脂联素水平下降.结论 非酒精性脂肪肝存在不同程度胰岛素抵抗,脂联素水平降低;合并代谢综合征者胰岛素抵抗更为严重,脂联素水平更低;合并ALT异常时脂联素水平下降     

乌司他丁对代谢综合征患者胰岛素抵抗的影响

目的探讨乌司他丁对代谢综合征患者胰岛素抵抗的影响及其机制。方法 84名代谢综合征患者随机分为对照组及观察组,两组患者给予相同的基础治疗,对照组另给予乌司他丁100 000 U/d,连续应用2 w,观察两组患者血清C反应蛋白(CRP)、肿瘤坏死因子-α(TNF-α)表达水平变化及胰岛素抵抗指数变化。结果治疗前两组血清CRP、TNF-α表达水平及胰岛素抵抗指数无统计学差异。治疗2 w后观察组血清CRP、TNF-α表达水平低于对照组;观察组胰岛素抵抗指数低于对照组(P<0.05)。结论乌司他丁能够减轻代谢综合征患者的胰岛素抵抗,其可能通过减少炎症介质的表达及炎性反应发挥作用。     

代谢综合征患者胰岛素抵抗与冠状动脉粥样病变的关系

目的探讨代谢综合征患者胰岛素抵抗与冠状动脉病变的关系。方法对2009年1月至2010年7月期间至我科就诊的137例存在发作性胸痛症状,临床怀疑冠心病的患者按照代谢综合征诊断标准分为代谢综合征组和非代谢综合征组。对上述病例进行冠状动脉造影,同时测他们的胰岛素抵抗指数。将上述结果进行组内及组间统计学分析。结果代谢综合征组中胰岛素抵抗指数与病变类型的比较表明,代谢综合征组B型及C型病变的发生例数明显增多。胰岛素抵抗指数与冠状动脉病变严重程度之间明显相关。非代谢综合征组虽然也有类似趋势但统计学无明显差异。结论胰岛素抵抗指数可以作为预测代谢综合征患者合并冠状动脉粥样硬化性心脏病患者冠状动脉病变严重程度的预测指标。     

老年代谢综合征患者血清瘦素水平与胰岛素抵抗的研究

目的：探讨老年代谢综合征患者血清瘦素水平与血糖、血脂、胰岛素和胰岛素抵抗的关系。方法：根据相应的诊断标准,分别收集老年2型糖尿病患者49例,血脂异常患者39例,代谢综合征104例,以同期门诊体检人员49例作为对照组,测定体重指数（BMI）、腰臀比（WHR）、空腹血糖、空腹血清胰岛素（FINS）、空腹血清三酰甘油、瘦素水平等,以稳态模型公式计算胰岛素抵抗指数（HOMA—IR）．并分析瘦素与各参数问的相关性。结果：与正常对照组相比,代谢综合征患者HOMA—IR、血清瘦素水平和FINS均显著增高（t分别为11．849、2．839、3．280,均P〈0．01）。与糖尿病组和血脂异常组相比．代谢综合征组患者的血清瘦素水平（t=3．058,t=2．911,P〈0．01）、FINS（t=2．750,P〈0．01;t=2．482,P〈0．05）和HOMA—IR值（t=3．072,t=7．749,P〈0．01）亦显著增高。直线回归相关分析显示瘦素水平与BMI呈正相关（r=0．418,P〈0．01）,校正BMI和性别后与WHR无相关性（r=0．042,P〉0．05）,但与FINS、HOMA—IR呈正相关（r：0．257,P〈0．01;r=0．124,P〈0．05）。结论：老年代谢综合征患者中普遍存在高胰岛素血症及胰岛素抵抗：瘦素水平与BMI、FINS及HOMA—IR的相关性提示瘦素是胰岛素抵抗、代谢综合征发生的重要相关因素之一。     

2型糖尿病合并肥胖患者脂联素水平与胰岛素抵抗的相关性

目的 研究2型糖尿病合并肥胖患者脂联素水平和胰岛素抵抗之间的相关性,探讨脂联素在2型糖尿病合并肥胖患者发生胰岛素抵抗中的作用.方法 选择30例2型糖尿病合并肥胖患者、25例2型糖尿病患者及25例非糖尿病对照人员(其中13例为肥胖者),检测体质指数、腰/臀比值、空腹血糖、糖化血红蛋白、血清空腹胰岛素、血脂、脂联素水平,计算胰岛素抵抗指数和胰岛素敏感指数.分析血清脂联素与胰岛素抵抗的相关性.结果 (1)糖尿病肥胖组的检测体质指数、糖化血红蛋白、空腹血糖、胰岛素抵抗指数、血清空腹胰岛素、腰/臀比值均高于对照肥胖组,脂联素、胰岛素敏感指数低于对照肥胖组(P<0.05).(2)糖尿病非肥胖组甘油三酯、糖化血红蛋白、空腹血糖、胰岛素抵抗指数、血清空腹胰岛素均高于对照非肥胖组,胰岛素敏感指数、脂联素低于对照非肥胖组(P<0.05).(3)糖尿病肥胖组甘油三酯、胆固醇、体质指数、糖化血红蛋白、空腹血糖、胰岛素抵抗指数、血清空腹胰岛素、腰/臀比值均高于糖尿病非肥胖组,胰岛素敏感指数、脂联素低于糖尿病非肥胖组(P<0.05).结论 脂联素与2型糖尿病肥胖患者的胰岛素抵抗发生有关,脂联素降低易导致胰岛素抵抗,脂联素水平可作为2型糖尿病合并肥胖患者发生胰岛素抵抗的监测标准.     

急性脑梗死患者血清抵抗素水平与胰岛素抵抗的关系

目的 探讨急性脑梗死患者血清抵抗素水平与胰岛素抵抗的关系.方法 选择68例急性脑梗死患者和40例健康体检者(对照组),采用ELISA检测血清抵抗素、空腹胰岛素等指标,并分析血清抵抗素水平与胰岛素抵抗指数及其他检测指标的相关性.结果 与对照组比较,急性脑梗死组血清抵抗素水平、胰岛素水平、胰岛素抵抗指数明显升高(P＜0.01),胰岛素敏感性指数、高密度脂蛋白胆固醇水平明显低于对照组(P＜0.05);急性脑梗死组抵抗素水平与体质指数、空腹胰岛素、胰岛素抵抗指数呈正相关,与高密度脂蛋白胆固醇、胰岛素敏感性指数呈负相关(P＜0.05).对脑梗死的危险因素行多因素Logistic回归分析显示,抵抗素、胰岛素抵抗指数、胰岛素敏感性指数、血压控制情况和年龄进入回归方程(OR分别为3.505、2.222、-0.589、5.367及2.481).结论 脑梗死患者可能存在胰岛素抵抗,血清抵抗素水平可能与胰岛素抵抗密切相关.     

多囊卵巢综合征患者肥胖和高雄激素血症与胰岛素抵抗的相关性

收集多囊卵巢综合征(PCOS)患者101例,招募30名正常健康志愿者。根据血清雄激素水平及稳态模型评估的胰岛素抵抗指数(HOMA-IR)水平分层分析肥胖、高雄激素和胰岛素抵抗的关系。结果显示,101例PCOS患者中39.8％患者体重正常,24.5％超重,35.7％肥胖。将PCOS患者分为正常雄激素组(睾酮＜0.51 μg/L)和高雄激素组(睾酮≥0.51 μg/L),两组体重指数(BMI)、空腹血糖(FPG)、甘油三酯(TG)、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-C)、高密度脂蛋白胆固醇(HDL-C)及HOMA-IR均无统计学差异。将PCOS患者分为非胰岛素抵抗组(HOMA-IR＜2.29)和胰岛素抵抗组(HOMA-IR≥2.29),两组血清睾酮水平无统计学差异,胰岛素抵抗组的BMI、FPG、TG、TC、LDL-C明显高于非胰岛素抵抗组(P＜0.05或P＜0.01),HDL-C明显低于非胰岛素抵抗组(P＜0.01)。HOMA-IR与BMI显著相关(P＜0.01),而与血清睾酮水平无显著相关性,提示PCOS患者体重增加与HOMA-IR的相关性独立于血清睾酮水平。     

代谢综合征患者胰岛素抵抗的影响因素

为探讨代谢综合征患者胰岛素抵抗的影响因素。对 12 6 1例年龄在 2 0～ 6 2岁机关职员的调查资料进行分析 ,代谢综合征诊断标准参考NCEP ATPⅢ标准 ,修改腹部肥胖的指标 (腰围男 >90cm ,女 >80cm) ,用稳态模式评估法的胰岛素抵抗指数 (HOMA IR)评价胰岛素抵抗。男女代谢综合征的患病率分别为 11.4 %和 10 .3% ,男女患病率之间差异无显著性意义 ;男女代谢综合征组的HOMA IR指数均高于非代谢综合征组 ;代谢综合征患者的逐步回归分析发现 ,空腹血糖、甘油三酯和腰围与HOMA IR呈独立相关。空腹血糖、甘油三酯和腰围是影响代谢综合征患者胰岛素抵抗程度的因素。     

代谢综合征患者空腹血清游离脂肪酸水平与胰岛素抵抗的关系

目的　探讨代谢综合征 (MS)患者空腹血清游离脂肪酸 (FFAs)水平与胰岛素抵抗的关系。方法　用发色底物法测定 60例MS患者及 2 0名正常人 (对照组 )的空腹血清FFAs浓度 ,比较两组间空腹血清FFAs水平及胰岛素敏感指数 (ISI)的差异 ;并将空腹血清FFAs水平及MS的其他特征性参数分别与ISI作相关性分析。结果　MS患者空腹血清FFAs水平为 ( 60 7.1± 2 17.8)μmol/L ,显著高于对照组 (P <0 .0 1) ;ISI为 -4 .5 8± 0 .49,显著低于对照组 (P <0 .0 1)。MS患者的ISI与FFAs呈显著负相关 (P <0 .0 5 ,r =-0 .3 2 9) ;ISI亦与BMI呈负相关。结论　代谢综合征患者空腹血清FFAs水平升高 ,并可间接反映胰岛素抵抗程度     

胰岛素抵抗综合征患者血清抵抗素和胰岛素敏感性的相关性研究

2002年1月至2003年10月，我们采用葡萄糖钳夹技术高度相关的Cederholm公式检测了正常人、糖耐量正常的肥胖患者、糖耐量减退(IGT)患者以及2型糖尿病(T2DM)患者的胰岛素敏感性指数(ISI)，并测定其血清抵抗素，以了解我国正常人群与胰岛素抵抗综合征患者的血清抵抗素水平，及其与临床各生化指标的相关性，进一步明确咦岛素抵抗和抵抗素的关系。     

Serum adiponectin levels in adult growth hormone deficiency and acromegaly

Atherosclerosis and insulin resistance are common complications of adult growth hormone deficiency (GHD) and acromegaly. Circulating adiponectin, an adipocyte-derived protein, has both anti-atherogenic and insulin-sensitising effects. In this study, we measured serum adiponectin levels in patients with either adult GHD or acromegaly to clarify the impact of GH secretory states on the regulation of serum adiponectin levels. Serum adiponectin level was measured by radioimmunoassay in 32 patients with adult GHD, 49 patients with acromegaly and 25 normal subjects. The relationships between adiponectin and insulin sensitivity index assessed as quantitative insulin sensitivity check index (QUICKI), BMI, and serum GH and IGF-I levels were then investigated. The values of QUICKI were significantly lower in patients with acromegaly or adult GHD compared to normal subjects (0.33 +/- 0.03, P < 0.01, 0.35 +/- 0.04, P < 0.05 and 0.36 +/- 0.01, respectively). While patients with adult GHD had significantly lower serum adiponectin levels than patients with acromegaly (6.5 +/- 3.9, 9.2 +/- 5.0, P < 0.01) these levels were not significantly different from those found in normal subjects (7.8 +/- 4.3 mug/ml). There was an inverse correlation between serum adiponectin levels and BMI in both patient groups (GHD r = -0.39, P < 0.05; Acromegaly r = -0.35, P < 0.05). However, serum adiponectin levels correlated positively with QUICKI (R(s) = 0.37, P < 0.05) only in patients with adult GHD. In patients with acromegaly, the levels of circulating adiponectin showed an inverse correlation with serum IGF-I levels (R(s) = -0.34, P < 0.05), but not with basal GH levels. These results demonstrate that adiponectin levels are significantly lower in patients with adult GHD than in patients with acromegaly. Adiponectin levels are similar in patients with GHD and healthy controls, whereas in patients with acromegaly, insulin resistance appears to be not closely related to adiponectin levels compared with BMI. The different relationship between adiponectin and QUICKI observed in the adult GHD and acromegaly groups presumably reflects differences in the mechanisms of insulin resistance under states of GH deficiency or excess.     

Three measures of tumor necrosis factor alpha activity and insulin resistance in nonobese Japanese type 2 diabetic patients

The aim of the present study was to investigate the relationship between insulin resistance and tumor necrosis factor alpha (TNF-alpha) as well as soluble TNF receptors (sTNF-R), body mass index (BMI), leptin, adiponectin, and serum lipid profile including triglycerides in nonobese Japanese patients with type 2 diabetes. A total of 88 nonobese Japanese type 2 diabetic patients were studied. The duration of diabetes was 11.0 +/- 0.8 years. In conjunction with BMI, glycosylated hemoglobin (HbA1c), fasting concentrations of plasma glucose, serum lipids (triglycerides, high-density lipoprotein cholesterol, and total cholesterol), serum leptin, serum adiponectin, serum TNF-alpha, and soluble TNF receptors (sTNF-R1 and sTNF-R2) were also measured. Insulin resistance was estimated by the insulin resistance index of homeostasis model assessment. Insulin resistance was positively correlated with BMI, triglycerides, leptin, and total cholesterol and negatively correlated with adiponectin and high-density lipoprotein cholesterol. In contrast, insulin resistance was not associated with TNF-alpha, nor sTNF-R (sTNF-R1 and sTNF-R2) in our diabetic patients. There was no significant relationship between the 3 measures of TNF-alpha system (TNF-alpha, sTNF-R1, and sTNF-R2) and BMI, serum triglycerides, leptin, or adiponectin in these patients. From these results, it can be concluded that peripheral levels of TNF-alpha system activity are not a major factor responsible for insulin resistance in nonobese Japanese type 2 diabetic patients.     

老年冠心病合并代谢综合征患者平均血小板体积的相关性研究

目的研究合并代谢综合征(MS)老年冠心病患者的平均血小板体积(MPV)变化及相关影响因素。方法选择冠状动脉造影确诊的老年冠心病患者288例,根据诊断分为MS组154例和非MS组134例。测定入院时MPV、脂联素、高敏C反应蛋白(hs-CRP)等指标,并进行相关性分析。结果与非MS组比较,MS组MPV和血小板分布宽度显著升高,差异有统计学意义(P<0.05,P<0.01);相关性分析显示,MS组患者MPV与体质量指数、空腹胰岛素、胰岛素抵抗指数(HOMA-RI)、hs-CRP和冠状动脉病变积分呈正相关(P<0.05,P<0.01),与HDL-C和脂联素呈负相关(P<0.01);多重线性回归分析显示,MS组MPV与hs-CRP、HOMA-RI显著独立正相关,与脂联素和HDL-C显著独立负相关(P<0.05)。结论合并MS的老年冠心病患者MPV显著升高,与hs-CRP、HOMA-RI、脂联素及HDL-C有密切关系。     

肝硬化患者血清瘦素与胰岛素抵抗的关系

目的 探讨肝硬化患者血清瘦素水平的变化情况和影响因素,及其与胰岛素抵抗的关系。方法 选择肾功能正常的43例肝硬化患者和30例与其在性别、年龄和体重指数（BMI）相匹配的时照者,应用放免法测定血清瘦素。同时测定肝肾功能、血糖、血脂、胰岛素和C-肽等指标,并测量其身高、体重,计算BMI。结果 肝硬化患者血清瘦素水平同比对照组相比差异不显著;肝硬化组与对照组血清瘦素水平女性均高于男性;肝硬化患者血清瘦素水平与BMI、胰岛素和C-肽呈正相关,与胰岛素抵抗指数呈负相关;不同肝功能分级的肝硬化患者间血清瘦素水平差异不显著。结论 肝硬化患者血清瘦素水平存在性别差异。瘦素水平不能作为评价肝硬化严重程度的指标。瘦素与肝硬化患者的胰岛素抵抗相关。     

Adipokines and ghrelin in gastric cancer cachexia

AIM： To investigate the roles of the adipocytokines, ghrelin and leptin in gastric cancer cachexia.
METHODS： Resistin, ghrelin, leptin, adiponectin, insulin and insulin-like growth factor （IGF-Ⅰ）, were measured in 30 healthy subjects, and 60 gastric cancer patients of which 30 suffered from cancerinduced cachexia and 30 served as a control group. The relationships between hormones, body mass index （BMI） loss ratio, age, gender, and Glasgow Prognostic Score （GPS） were investigated.
RESULTS： Cachexia patients had higher tumor stage and GPS when compared with non-cachexia patients （P 〈 0.05）. Ghrelin, resistin, leptin, adiponectin and IGF- Ⅰ, showed a significant correlation with BMI loss ratio and GPS （P 〈 0.05）. A strong correlation was seen between GPS and BMI loss （R = -0.570, P 〈 0.0001）. Multivariate analysis indicated that BMI loss was significantly independent as a predictor of ghrelin, resistin, leptin and IGF-Ⅰ （P 〈 0.05）. Existence of an important significant relationship between resistin and insulin resistance was also noted.
CONCLUSION： These results showed that serum ghrelin, leptin, adiponectin, and IGF-Ⅰ play important roles in cachexia-related gastric cancers. No relationship was found between resistin and cancer cachexia. Also, because of the correlation between these parameters and GPS, these parameters might be used as a predictor factor.     

Adiponectin, an adipocyte-derived protein, predicts future insulin resistance: two-year follow-up study in Japanese population

It has been reported that the serum adiponectin level was negatively correlated with body mass index (BMI), insulin resistance index, and triglycerides and was positively correlated with high-density lipoprotein cholesterol in several cross-sectional studies. However, the causal relationship has not been elucidated. We investigated whether the baseline adiponectin level could predict subsequent changes in insulin resistance, lipid profile, or body weight in a 2-yr longitudinal study. This study included 590 male Japanese subjects, aged 30-65 yr, who received annual health checkups in both 2000 and 2002. Blood pressure, heart rate, and anthropometric and metabolic parameters, including serum insulin and adiponectin levels, were determined. The insulin resistance index was calculated based on homeostasis model assessment. Baseline adiponectin level was not correlated with the subsequent change in lipid profile or BMI in 2 yr after adjustment for each baseline value. However, the baseline adiponectin level was negatively correlated with subsequent changes in insulin and insulin resistance index based on homeostasis model assessment, even after adjustment for change in BMI (r = -0.162 and r = -0.140, respectively). These findings suggest that the serum adiponectin concentration predicts subsequent changes in insulin resistance, but not in lipid profile or body weight.     

老年2型糖尿病和糖耐量受损患者血清铁蛋白与胰岛素抵抗和胰岛β细胞功能相关

目的 探讨60岁以上老年2型糖尿病和糖耐量受损(IGT)患者血清铁蛋白(SF)水平与胰岛素抵抗、胰岛β细胞功能之间的相关性.方法 入选2型糖尿病组患者1 143例,IGT组448例和正常糖耐量组(NGT)2 950名.测定身高、体重、血压、总胆固醇、甘油三酯(TG)、空腹血糖(FPG)、餐后2 h血糖(2hPG)、空腹胰岛素(FINS)和SF水平.采用稳态模型、QUICK来评估胰岛素抵抗,采用稳态模型和处置指数(DI)来评估胰岛β细胞功能.结果 2型糖尿病组SF水平高于NGT组(P<0.01);NGT、IGT和2型糖尿病组稳态模型评估的胰岛素抵抗指数(HOMA-IR)呈增高趋势(P<0.05),稳态模型评估的胰岛素β细胞功能指数(HOMA-β)、QUICK、DI呈递减趋势(均P<0.05).Spearman相关分析和偏相关分析显示,校正年龄和性别后,SF与FPG、2hPG、TG、FINS、HOMA-IR呈正相关,与HOMA-β、QUICK、DI呈负相关.多元逐步回归分析显示,QUICK、体重指数、TG是影响SF的独立危险因素.结论 老年2型糖尿病患者体内铁超负荷;随着SF的升高,胰岛素抵抗逐渐增加,而胰岛β细胞功能呈下降趋势.

Abstract：

Objective To investigate the relationship between serum ferritin and p-cell function,insulin resistance in elderly patients(age>60 years)with type 2 diabetes and impaired glucose tolerance.Methods Total 1143 patients with type 2 diabetes,448 patients with impaired glucose tolerance(IGT),and 2 950 subjects with normal glucose tolerance(NGT)were recruited for the measurments of height,weight,serum triglyceride(TG),total cholesterol,fasting plasma glucose(FPG),fasting insulin(FINS),postprandial 2 h plasma glucose(2hPG),and serum ferritin.Homeostasis model assessment of insulin resistance(HOMA-IR)and QUICK index were used to estimate insulin resistance,and homeostasis model assessment of β cell function(HOMA-p)and disposition index(DI)to evaluate p-cell function.Results The results showed that the level of serum ferritin was significantly higher in type2 diabetes mellitus group than NGT group(P<0.01).HOMA-IR was gradually increased,and HOMA-β,QUICK,and DI decreased from NGT to IGT,type 2 diabetes mellitus groups(all P < 0.05).Spearman and partial correlation analysis showed that partial adjustment for age and sex,serum ferritin was positively associated with FPG,2hPG,TG,FINS,and HOMA-IR,and negatively associated with HOMA-β,QUICK,and DI.Stepwise regression showed that serum ferritin was associated with QUICK,BMI,and TG.Conclusion The results suggest that iron overload exists in elderly patients with type 2 diabetes.With increasing serum ferritin level,insulin resistance increases and p-cell function decreases in the elderly patients with abnormal glucose metabolism.     

多囊卵巢综合征患者血清Ghrelin水平测定及其意义

目的探讨血清生长素(Ghrelin)与多囊卵巢综合征(PCOS)的关系。方法选择PCOS患者35例(P-COS组)及正常体检者33例(对照组),两组服75 g葡萄糖粉后,分别检测空腹与服糖1、2 h血脂,基础血激素(雌激素、孕激素、卵泡刺激素、黄体生成素、泌乳素、睾酮、雄烯二酮)及Ghrelin水平,计算BMI、腰臀比(WHR)、胰岛素抵抗指数及敏感指数。结果 PCOS组BMI、TG、HDL、胰岛素抵抗指数、空腹胰岛素、Ghrelin、睾酮及雄烯二酮在空腹与服糖1、2 h均低于对照组(P<0.05或<0.01)。相关分析显示,血清Ghrelin与BMI、WHR、雄激素、雄烯二酮、空腹血糖呈负相关(r分别为-0.504、-0.336、-0.440、-0.432、-0.414,P均<0.05),与HDL呈正相关(r=0.357,P<0.05)。结论血清Ghrelin可能在PCOS的病理生理过程中发挥作用。     

2型糖尿病患者血清胰岛素样生长因子Ⅰ及其结合蛋白与大血管并发症的关系

2型糖尿病(T2DM)合并大血管病变者血清游离胰岛素样生长因子Ⅰ(IGF-I)水平较无大血管病变组降低(P<0·01),胰岛素样生长因子结合蛋白1浓度与WHR、胰岛素抵抗指数呈负相关。表明低IGF-I可能参与糖尿病大血管并发症的发生。胰岛素样生长因子结合蛋白1的浓度反映了胰岛素抵抗状态。