... If you mean that your mother had two different blood tests done at two different labs and they came up with two different TC numbers, this is not surprising. They are likely using the same testing protocol, but these numbers are not absolutes like your height. In other words, you could have the very same lab take a sample, five minutes later take another sample. Then send... (6 replies)

... Do you know what is the standard way of calculating total cholesterol level? ... (6 replies)

... There SHOULD be no difference in the cholesterol measurement from lab to lab. ... (6 replies)

... Hey bigal, your forumla is identical to the one you said was wrong. You said:
LDL = TC - HDL - (Trigs/5)
Which just happens to be the same exact forumula as:
TC = LDL + HDL + (Trigs/5). (6 replies)

... No the formula is wrong the correct one is
Total cholesterol minus HDL minus the (Triglycerides divided by 5)
So here is an example Chol.=174 Trig= 296 HDL= 54 LDL=60.8
174 - 54=120
296. divided by 5=59.2
120
-59.2
60.8 (6 replies)

... AFAIK the direct calculation of LDL is accurate without regard to elevated triglyceride levels. The author of the Friedewald formula has also stated that a calculated LDL is only accurate when both the total cholesterol and LDL levels are within the normal range. ... (20 replies)

... Those are excellent numbers, especially your high HDL level and very low triglyceride level. And don't worry about that LDL of 170 because that number isn't accurate. ... (7 replies)

... The Friedewald Formula is normaly used to estimate LDL cholesterol. The only lipids that are directly read are TC, TG and HDL. The formal uses the following calculation:
Estimation of LDL Cholesterol = Total Cholesterol – HDL Cholesterol – VLDL Cholesterol*
* Estimation of VLDL Cholesterol = Trigs/5 (Trigs/2.2 for mmol/L) (6 replies)

... I was confused when I found out how Total Cholesterol is calculated. ... (6 replies)

... thirties with a cholesterol level of 6.4. I was very fit and healthy, not overweight, and took daily supplements with plant sterols in them, and high doses of omega 3 fish oils. ... (7 replies)

... As a side note, the VLDL can be calculated in a couple of ways. ... (2 replies)

... (2 replies)

... I understand that if you divide a certai number of your cholesterol with another number, either HDL, LDL or toal, you get a number between 1,0 and 5.0 that tells you where you should be. ... (2 replies)

... cause the caculated LDL values to be high. Your doctor should have a direct measurement cholesterol test done before even talking to you about statins considering your TG levels. ... (35 replies)

... Using the numbers above would give Triglycerides of 6. ... (1 replies)

... ther herbs, supplements, etc. however I've not had much luck with them. Certainly, if your doctor wants you to take a statin you should be able to do a low dose of Lipitor or Zocor or Vytorin . . . thereby reducing your risk of statin side effects. ... (22 replies)

... and TC as they are more accurate in determining the onset of heart disease within a ten year period. ... (6 replies)

... HDL with a goal of under 4. ... (6 replies)

... Presumably when my total was 526, at the beginning of all this, my LDL would have been high if it had been measurable. I believe LDL can be measured properly but is expensive. ... (9 replies)

... A standard lab lipid panel with a calculated LDL shouldn't be used in determining the need for statin therapy in my opinion. The LDL calculation algorithm is only "accurate" when your TC and TG are within a narrow "normal" range. ... (10 replies)