AssayNotebook 05993 · Member profile

Ask whether the sample identifier, issuing laboratory, report date and relevant analytical method can be verified. A copied certificate may be genuine...

Link both versions, record dates and check whether methods or conclusions changed. Publication status is useful context but is not itself a guarantee ...

Ask whether assay, instrument, units or reference intervals changed and retain both original reports. Do not infer a physiological trend before assess...

Report sample size, potential confounders and measurement uncertainty. Association does not identify direction or causation, and exploratory results n...

Case 34 — Clinical questions in an archive discussion · source wording exercise Limit of the answer in “Clinical questions in an archive discussion”: ...

Case 16 — Two laboratories, two percentages: are they measuring the same thing? Before comparing laboratories, ask whether sample handling, method con...