[Explainer] which labs are worth repeating quarterly and which are theatre
which labs are worth repeating quarterly and which are theatre. That is the post. The justification is underneath. Panicked about a single result, posted here, got told to repeat it, repeated it, and it was fine. Tracked triglycerides against the weight trend for a year. The correlation was much weaker than I…
Left up. It is a question about how to compare panels, not a request for interpretation.
Do you have a baseline from before you started?
the trend line matters more than any single value
Reference intervals are typically the central 95% of a reference population. By construction one person in twenty falls outside one on any given test without anything being wrong.
bring the numbers to someone qualified to read them
same lab, same conditions, or you are comparing noise
do not change three things and then read the panel
hydration status moves a surprising number of markers
one measurement is a point, two is a line, three is a trend