Significant association of insulin and proinsulin with clustering of cardiovascular risk factors
AIM: To investigate the association between true insulin and proinsulin and clustering of cardiovascular risk factors. METHODS: Based on the random stratified sampling principles, 1196 Chinese people (533 males and 663 females, aged 35-59 years with an average age of 46.69 years) were recruited. Bio...
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Veröffentlicht in: | World journal of gastroenterology : WJG 2005-01, Vol.11 (1), p.149-153 |
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Sprache: | eng |
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Zusammenfassung: | AIM: To investigate the association between true insulin and proinsulin and clustering of cardiovascular risk factors. METHODS: Based on the random stratified sampling principles, 1196 Chinese people (533 males and 663 females, aged 35-59 years with an average age of 46.69 years) were recruited. Biotin-avidin based double monoclonal antibody ELISA method was used to detect the true insulin and proinsulin, and a risk factor score was set to evaluate individuals according to the number of risk factors. RESULTS: The median (quartile range) of true insulin and proinsulin was 4.91 mIu/L (3.01-7.09 mIu/L) and 3.49 pmol/L (2.14-5.68 pmol/L) respectively, and the true insulin level of female subjects was significantly higher than that of male subjects (P = 0.000), but the level of proinsulin displayed no significant difference between males and females (P = 0.566). The results of covariate ANOVA after age and sex were controlled showed that subjects with any of the risk factors had a significantly higher true insulin level (P = 0.002 for hypercholesterolemia, P = 0.021 for high low-density lipoprotein cholesterol, P = 0.003 for low high-density lipoprotein cholesterol, and P = 0.000 for other risk factors) and proinsulin level (P= 0.001 for low high-density lipoprotein cholesterol, and P = 0.000 for other risk factors) than those with no risk factors. Furthermore, subjects with higher risk factor scores had a higher true insulin and proinsulin level than those with lower risk factor scores (P = 0.000). The multiple linear regression models showed that true insulin and proinsulin were significantly related to cardiovascular risk factor scores respectively (P = 0.000). CONCLUSION: True insulin and proinsulin are significantly associated with the clustering of cardiovascular risk factors. |
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ISSN: | 1007-9327 2219-2840 |
DOI: | 10.3748/wjg.v11.i1.149 |