Volume 1, Issue 1 (18 2001)
ijdld 2001, 1(1): 73-82 |
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Zahedi F, Larijani B. ASSESSMENT OF THE RISK OF CORONARY HEART DISEASE IN PATIENTS WITH TYPE 2 DIABETES BASED ON THE FRAMINGHAM STUDY: A CROSS-SECTIONAL RISK FACTOR STUDY. ijdld 2001; 1 (1) :73-82
URL: http://ijdld.tums.ac.ir/article-1-498-en.html
URL: http://ijdld.tums.ac.ir/article-1-498-en.html
Abstract: (16297 Views)
Background: The American Heart Association used the findings of the Framingham Heart Study to design an equation that quantifies the risk of coronary heart disease (CHD).
Methods: The variables in this equation are age, total cholesterol, HDL-cholesterol, systolic blood pressure, cigarette smoking, diabetes mellitus and evidence of left ventricular hypertrophy on electrocardiography. We calculated the CHD risk of 139 patients, with type 2 diabetes mellitus, who attended our diabetes clinic. We also assessed risk factors not taken into account by the Framingham equation, such as obesity (body mass index (BMI) or waist-hip ratio (WHR)), plasma triglyceride, LDL-cholesterol (LDL-C), and diastolic blood pressure (DBP). We used the linear regression and one-way ANOVA functions on the SPSS.v6 software to analyze our data.
Results: Ninety-one women and 48 men enrolled in the study. Men had a higher five- and ten-year CHD risk than women. 36.4% of our subjects had plasma HDL-C <35mg/dl. The TC:HDL-C ratio was 6.18±1.76 in men and 5.97±2.21 in women. We found no significant correlation between two- and five-year CHD risk and WHR, BMI or triglyceride levels. There was a significant correlation between two- and five-year CHD risk and DBP (p=0.0006 and p=0.0001) and LDL-C (p=0.005 and p=0.001).
Conclusion: Patients with diabetes mellitus have a higher, but smaller than expected, risk of CHD. The value of the Framingham equation in diabetic patients is equivocal, given the absence of correlation between obesity markers and CHD risk. Larger, prospective, studies are needed to clarify the matter.
Methods: The variables in this equation are age, total cholesterol, HDL-cholesterol, systolic blood pressure, cigarette smoking, diabetes mellitus and evidence of left ventricular hypertrophy on electrocardiography. We calculated the CHD risk of 139 patients, with type 2 diabetes mellitus, who attended our diabetes clinic. We also assessed risk factors not taken into account by the Framingham equation, such as obesity (body mass index (BMI) or waist-hip ratio (WHR)), plasma triglyceride, LDL-cholesterol (LDL-C), and diastolic blood pressure (DBP). We used the linear regression and one-way ANOVA functions on the SPSS.v6 software to analyze our data.
Results: Ninety-one women and 48 men enrolled in the study. Men had a higher five- and ten-year CHD risk than women. 36.4% of our subjects had plasma HDL-C <35mg/dl. The TC:HDL-C ratio was 6.18±1.76 in men and 5.97±2.21 in women. We found no significant correlation between two- and five-year CHD risk and WHR, BMI or triglyceride levels. There was a significant correlation between two- and five-year CHD risk and DBP (p=0.0006 and p=0.0001) and LDL-C (p=0.005 and p=0.001).
Conclusion: Patients with diabetes mellitus have a higher, but smaller than expected, risk of CHD. The value of the Framingham equation in diabetic patients is equivocal, given the absence of correlation between obesity markers and CHD risk. Larger, prospective, studies are needed to clarify the matter.
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