sdLDL vs Small LDL-P

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hstapell
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sdLDL vs Small LDL-P

Postby hstapell » Thu Jun 30, 2016 1:02 pm

I know this topic has come up several times in the past. Thomas Dayspring posted this yesterday on Twitter:

"Do not confuse the two: sdLDL-C is cholesterol within LDLs sized 15.0-20.0 nm, but small LDL-P quantifies LDLs with diameter of 18-20.5 nm"


Also, Peter Attia has a new post on the etiology of heart disease on his website, for those of you who haven't seen it yet:

http://eatingacademy.com/cholesterol-2/ ... prevention

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Julie G
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Re: sdLDL vs Small LDL-P

Postby Julie G » Thu Jun 30, 2016 2:44 pm

I know this topic has come up several times in the past. Thomas Dayspring posted this yesterday on Twitter:
"Do not confuse the two: sdLDL-C is cholesterol within LDLs sized 15.0-20.0 nm, but small LDL-P quantifies LDLs with diameter of 18-20.5 nm"

You're right! We've had multiple threads trying to dissect the difference between the two biomarkers. This is really helpful. Smart people, help me apply this new found knowledge... If someone has small LDL-P <90, can they still have sdLDL >30? And, can someone with sdLDL <30 still have high levels of small LDL-P? TIA.

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Re: sdLDL vs Small LDL-P

Postby Tincup » Thu Jun 30, 2016 3:19 pm

Juliegee wrote:If someone has small LDL-P <90, can they still have sdLDL >30? And, can someone with sdLDL <30 still have high levels of small LDL-P? TIA.


Data from me (first 2) & T (second 2)
Small LDL-P, sdLDL
435, 28
460, 34
1382, 34
702, 20

The data above are from True Health Diagnostics. Gundry also uses Singulex. I have the tests drawn at the same time, however on the first iteration, my True Health samples went missing in FedEx, so it was drawn a month after the Singulex. Singulex does not test NMR. I had a LABCORP NMR done two days after the Singulex.
Small LDL-P (Labcorp NMR), sdLDL (Singulex)
<90, 24
Last edited by Tincup on Fri Jul 01, 2016 7:23 am, edited 1 time in total.
Tincup
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Julie G
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Re: sdLDL vs Small LDL-P

Postby Julie G » Thu Jun 30, 2016 3:24 pm

Thanks, George! That's pretty much what I remembered. So, it's possible to have higher (>90) small LDL-P with low (<30) sdLDL, but how about the opposite? If one has small LDL-P <90, is sdLDL presumed to be <30?

Congrats to both you and T on your improvements :D.

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Re: sdLDL vs Small LDL-P

Postby apod » Thu Jun 30, 2016 3:30 pm

From my last go around:
Small LDL-P: 126 / <90
LDL III: 282 nmol/L
LDL IV: 97 nmol/L
LDL-C (calculated via "Friedewald formula"): 72 mg/dL / HDL-C: 77 mg/dL
LDL-C (calculated via "Iranian formula"): 62 mg/dL / HDL-C 77 mg/dL
Non-HDL Cholesterol: 85 mg/dL
:?


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