High-density lipoprotein (HDL) is a healthy type of cholesterol. Non-HDL cholesterol refers to the sum of all the unhealthy types of cholesterol, which can contribute to plaque accumulation in the ...

Of 53 patients with primary hyperlipidemia ... but there was no change in the levels of HDL cholesterol. Triglyceride levels, and the ratio of total cholesterol to HDL cholesterol, also decreased ...