[Meta] the ALT rule is doing its job and people should stop complaining
the ALT rule is doing its job and people should stop complaining. Comments open, and the wording is genuinely up for discussion.
Added ApoB to the panel after a thread here. It told me something the standard lipid panel had been hiding.
My ApoB moved and I spent a fortnight convinced I knew why. The repeat six weeks later was back in range and I had changed nothing.
Repeat testing before acting is standard practice for a reason: regression to the mean does a lot of work on single outlying values.
That is everything I have. The rest is opinion and I have tried to keep it out.
best — the order this archive was captured in
Time of day, fasting state, hydration and recent exercise all move common markers. Standardising the draw conditions is free and it removes most of the apparent variability.
Why so many single values look alarming and turn out to be nothing.
A reference interval is built to contain about 95% of a healthy reference population, so one test in twenty falls outside one by construction. Add biological variation, assay imprecision, fasting state and time of day, and a genuinely stable person will produce occasional out-of-range results.
That is why repeat testing before acting is standard. Regression to the mean handles most of it. None of which means an out-of-range value should be ignored — it means it should be repeated and taken to somebody who can put it in context, which is emphatically not a ranked feed.
nothing on this board interprets your results for you
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Correcting my own comment: the two draws were 9 weeks apart, not the figure I gave earlier.
Right, and weight loss itself moves several markers, so attribution is harder than these threads assume.
Right, and weight loss itself moves several markers, so attribution is harder than these threads assume.
Adding the obvious one — take it to whoever ordered the panel. This board cannot read it for you.
draw at the same point in the week if you want comparability
Panicked about a single result, posted here, got told to repeat it, repeated it, and it was fine.
same lab, same conditions, or you are comparing noise
Small fix — a reference interval is not a treatment target, and the post above uses them interchangeably.
baseline before you start is worth more than any later panel
Is that the same assay, or did the lab change platforms?
the trend line matters more than any single value
Disagree with reading anything into that. One value, one morning, and you changed two other things in the same window.
a single hs-CRP outside range is a reason to repeat, not to panic
Same view — ApoB if you add one thing. It answers a question the standard panel only gestures at.
bring the numbers to someone qualified to read them
- 1Right, and weight loss itself moves several markers, so attribution is…10 comments in this branch · started by u/mariam_mensa