Prevalence of hyperlipidemia in a large sample population

Area of Science:

• Cardiology
• Public Health
• Clinical Chemistry

Background:

• Serum lipid levels are critical risk factors for coronary heart disease (CHD).
• Understanding the prevalence of hyperlipidemia is essential for public health initiatives.
• Large-scale laboratory data provides insights into population health trends.

Purpose of the Study:

• To determine the prevalence of hyperlipidemia in the United States.
• To analyze age- and sex-specific trends in cholesterol and high-density lipoprotein (HDL) cholesterol levels.
• To assess the risk of coronary heart disease based on lipid profiles.

Main Methods:

• Statistical analysis of a large dataset (>3 million cholesterol/triglyceride, >500,000 HDL cholesterol determinations).
• Routine lipid measurements performed by standard automated procedures at a single laboratory.
• Utilized American Heart Association and Framingham Heart Study criteria for defining abnormal lipid levels.

Main Results:

• Hyperlipidemia is the most prevalent disorder detected in the laboratory data.
• 41.6% of females and 34.2% of males exhibit hypercholesterolemia (cholesterol ≥ 260 mg/dl).
• 12.2% of men and 4.2% of women over 49 have low HDL cholesterol (< 35 mg/dl), indicating high CHD risk.

Conclusions:

• Hyperlipidemia is a widespread condition in the U.S. population.
• Lipid levels show distinct age- and sex-related patterns.
• The findings underscore the importance of lipid screening for predicting coronary heart disease risk.