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Comparative assessment of coronary risk in HIV-infected patient cohort using Framingham index and Spanish validated coronary risk index: REGICOR

Purpose of the study

Framingham risk index overestimates the probability of coronary heart disease (CHD) in populations with low incidence.


We estimated the 10-year coronary risk in a sample of Spanish outpatients in our HIV clinic, using the standard Framingham index and an index developed and validated in a population of Catalonia (Northern Spain): REGICOR. The following data were collected in all patients: age, gender, smoking status, HIV risk group, CD4+ cell count, HIV viral load, fasting glucose and insulin levels, lipid profile, blood pressure, waist circumference, BMI and present ART. We used the HOMA (homeostatic model assessment) index to assess insulin resistance, choosing as cut-off point, 3.8. The IDF (International Diabetes Foundation) criteria have been used to define increased waist circumference, hypertension, hypertrygliceridemia, low HDL-cholesterol and hyperglycemia.

Summary of results

128 outpatients seen in our clinic between January 1 and June 30, 2007, were included. Ninety-seven (72%) were males, median age was 43 years and 37% had sexually transmitted HIV infection. At the time of the study median CD4+ cell count was 397 cells/μL, 78% had a viral load below 50 copies/mL, and 118 were receiving HAART. 6.3% had diabetes and 28.9% arterial hypertension. Median blood total cholesterol, HDL-cholesterol, LDL and triglycerides were 172.5 mg/dL, 42 mg/dL, 92 mg/dL and 134 mg/dL, respectively. Forty-one percent were overweight, 20% had insulin resistance as estimated by HOMA and 51.6% fulfilled IDF criteria for abdominal obesity; 74.2% were current smokers. Using the REGICOR index, estimated 10-year CHD risk greater than 5% was 3.3 times lower than by Framingham index (14.2% vs. 46.9%). An estimated probability of CHD events over 15% in 10 years was five times lower using REGICOR index than with the standard Framingham index (0.8% vs. 3.9%).


REGICOR index seems more accurate for the assessment of CHD risk in primary prevention in Spain, and presumably so in HIV-infected patients as well. It should be validated in other Spanish regions and specifically in HIV-infected patients. This would have an impact on therapeutic decisions.


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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Jiménez, M.C., Perea, R.T., Aparicio, J.A. et al. Comparative assessment of coronary risk in HIV-infected patient cohort using Framingham index and Spanish validated coronary risk index: REGICOR. JIAS 11 (Suppl 1), P93 (2008).

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