[Results] 47 weeks, 8kg, and ferritin was the hard part
47 weeks, 8kg, and ferritin was the hard part, logged the same way every week so the comparison is at least internally fair. Hard numbers: 47 weeks and 8kg. Anything softer than that is flagged as an impression. Reference intervals are typically the central 95% of a reference population. By construction one person in…
Disagree with reading anything into that. One value, one morning, and you changed two other things in the same window.
That comparison crosses two labs with different assays. The difference you are describing may be the method.
same lab, same conditions, or you are comparing noise
This. Reference ranges are population intervals, not targets, and conflating them causes a lot of unnecessary alarm here.
Repeat testing before acting is standard practice for a reason: regression to the mean does a lot of work on single outlying values.
ApoB is the one worth adding if you only add one