Summary: | Introduction: In the present research, the association between C-reactive protein (CRP) and high-densitylipoprotein of cholesterol (HDL-C) is studied among healthy adults in Tehran city.Materials and Methods: It is performed as a cross-sectional study using data of adults with age 18 andmore enrolled in the first phase of the "Evaluation of novel risk factors of NCD" project in the ResearchInstitute for Endocrine Sciences (Tehran,Iran) in 2001. Analyses were done by logistic regression modelsusing crude and adjusted odds ratio (OR) to demonstrate the associations between CRP and HDL-Cregarding their age, gender, body mass index and smoking status as underlying variables. To get finalreduced logistic model we used backward elimination strategy with likelihood ratio test.Results: Based on the findings of analysis on data of 126 men and 208 women, it was reported asignificant association between blood concentration of CRP and HDL-C (P<0.001). Logistic regressionanalysis revealed that increasing the concentration of CRP to 0.2 mg/l and more in serum, increased thelikelihood of decreasing the serum concentration of HDL-C to 40 and 50 mg/dl and less about two folds inmen and women respectively (adjusted OR: 2.25, 95% CI: 1.49-3.41).Conclusion: In apparently healthy adults from Tehran city, independent of age, sex, body mass index,blood pressure, fasting blood sugar, and smoking, serum concentrations of CRP and HDL-C are reverselyassociated while both of them are considered as independent factors related with cardiovascular disordersand complications.
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