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Lipid profile cutoff values for predicting hypertension in an Iranian population (ROC curve analysis)

All Chehrei1, Saeed Sadrnia, Pargol Samanianpour

  • 1Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran.

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
|January 31, 2007
PubMed

Insights

Hypertension is linked to higher levels of dyslipidemia. New lipid profile cutoff points for predicting hypertension were established, differing from ATP III guidelines, suggesting closer monitoring for hypertensive patients.

Area of Science:

  • Cardiology
  • Clinical Lipidology

Background:

  • Hypertension affects a significant global population, with incomplete understanding of its etiology.
  • Dyslipidemia is a common comorbidity associated with hypertension.
  • This study investigates dyslipidemia prevalence and lipid profile predictors in hypertension.

Purpose of the Study:

  • To compare the prevalence of dyslipidemia in hypertensive patients versus a control group.
  • To determine optimal cutoff points for lipid profiles to predict hypertension.
  • To assess the clinical implications of identified lipid profile values in hypertensive individuals.

Main Methods:

  • A cross-sectional, population-based study comparing 250 hypertensive individuals with 750 healthy controls.
  • Measurement of lipid profiles, including total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C).
  • Utilized Receiver Operating Characteristic (ROC) curves to identify predictive cutoff values for hypertension.

Main Results:

  • Significant differences observed in mean TC, TG, and LDL-C between hypertensive and control groups (p<0.001).
  • Optimal ROC-derived cutoff values for predicting hypertension were established: TC ≥ 185 mg/dl, TG ≥ 125 mg/dl, LDL-C ≥ 110 mg/dl, and HDL-C ≤ 45 mg/dl.
  • Identified lipid profile cutoff points for hypertension appear distinct from ATP III guidelines for individuals with 2+ risk factors.

Conclusions:

  • The elevated prevalence of dyslipidemia in hypertensive patients warrants focused detection and management strategies.
  • Established plasma lipid cutoff points for hypertension may differ from current ATP III recommendations.
  • Further research is recommended to validate these lipid profile values as predictive factors for hypertension.
Abstract

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