Mean serum HDL cholesterol level for adults age 20 years and over:
Total 51 mg/dl, Men 46 mg/dl, Women 56 mg/dl (NHANES 1999-2002)
Source: Trends in Serum Lipids and Lipoproteins of Adults, 1960-2002: Margaret D. Carroll, MSPH; David A. Lacher, MD; Paul D. Sorlie, PhD; James I. Cleeman, MD; David J. Gordon, MD, PhD; Michael Wolz, MS; Scott M. Grundy, MD, PhD; Clifford L. Johnson, MSPH; JAMA. 2005;294:1773-1781.
Mean serum LDL cholesterol level for adults age 20 years and over:
Total 123 mg/dl, Men 126 mg/dl, Women 120 mg/dl (NHANES 1999-2002)