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Cholesterol Ratio Calculator

Cholesterol Ratio Calculator

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Cholesterol Ratio Calculator

How are the cholesterol ratios calculated?

The Total Cholesterol is just a combination of good and bad cholesterol in your blood. It does not give much information about any heart disease risks.

Total Cholesterol Formula:

TC = HDL in mg/dL + LDL in mg/dL + (0.2 × TG in mg/dL)

At first, the triglyceride is multiplied by 0.2 and the result is then added to the HDL and the LDL levels to give us the Total Cholesterol level.

TC levels are categorized into:

  • High: 240 mg/dL and above
  • Borderline High: 200-239 mg/dL
  • Desirable: Below 200 mg/dL

Total Cholesterol/HDL (TC/HDL) Ratio:

TC/HDL ratio = TC in mg/dL ÷ HDL in mg/dL

TC/HDL ratio risk levels are categorized into:

  • Bad: 5.0 and over
  • Good: 3.5 - 5.0
  • Ideal: Below 3.5

LDL/HDL Ratio:

LDL/HDL ratio = LDL in mg/dL ÷ HDL in mg/dL

LDL/HDL ratio risk levels are categorized into:

  • Too High: 5.0 and above
  • Good: 2.0 - 5.0
  • Ideal: Below 2.0

Triglyceride/HDL (TG/HDL) Ratio:

TG/HDL ratio = TG in mg/dL ÷ HDL in mg/dL

TG/HDL ratio risk levels are categorized into:

  • Too High: 4.0 and above
  • High: 2.0 - 4.0
  • Ideal: 2.0 or below

Unit Conversion (mmol/L to mg/dL):

If the measurements are available in mmol/L, they are converted into mg/dL using the below conversion method:

  • For total cholesterol (TC), HDL, and LDL cholesterol: multiply the mmol/L value with 38.67
  • For triglycerides (TG): multiply the value in mmol/L by 88.57

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Cholesterol is a fatty substance and is essential for the normal functioning of the body. This is mainly produced by the liver; however, it can also be found in some foods. An increase in the level of cholesterol usually does not cause any symptoms, but there can be an upsurge in the risk of serious health conditions. Cholesterol needs to be measured at least once every five years in all ages over 20. Lipid disorders need to be screened for men ages 33 and older and women ages 43 and older.

Cholesterol is carried in your blood by proteins. When the two combine, they are called lipoproteins. The types of lipoproteins are HDL (high-density lipoprotein), LDL (low-density lipoprotein), and triglycerides (TG).

The high-density lipoprotein (HDL) transports cholesterol away from the cells and brings them back to the liver where it is either broken down or excreted out of the body as a waste product. Hence, for this reason, HDL is also known as "good cholesterol," and higher levels of HDL are desirable.

HDL risk levels are categorized into:

  • High Risk: Below 40 mg/dL
  • Borderline: 40-59 mg/dL
  • Optimal: 60 mg/dL and above

The low-density lipoprotein (LDL) transports cholesterol to the cells that need it, but if there is already more cholesterol for the cells to use, it can accumulate in the artery walls leading to a disease of the arteries. This can lead to serious heart conditions. Hence, for this reason, LDL is also called as "bad cholesterol."

LDL risk levels are categorized into:

  • Very High: 190 mg/dL and above
  • High: 160-189 mg/dL
  • Borderline High: 130-159 mg/dL
  • Near Optimal: 100-129 mg/dL
  • Optimal: Below 100 mg/dL

Both HDL and LDL can be measured with a blood test. The suggested cholesterol levels in the blood differ between those with an inflated or deflated risk of developing arterial diseases.

Triglycerides are the most usual type of fat the body has. They store surplus energy from the food that we eat. Therefore, a high triglyceride level can lead to diseases of the arteries. This raises the risk of cardiovascular diseases and stroke.

TG risk levels are categorized into:

  • Very High: 500 mg/dL and above
  • High: 200-499 mg/dL
  • Borderline High: 150-199 mg/dL
  • Normal: Below 150 mg/dL

Thus, with the help of this Cholesterol Ratio Calculator many popular cholesterol ratios like TC/HDL, LDL/HDL, TG/HDL can be calculated. These ratios play an indispensable role in determining the level of treatment for patients with heart ailments.

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