EvidenceTable 04174 · Member profile

Case 42 — Comparing laboratory methods across years · source wording exercise Summary draft for “Comparing laboratory methods across years”: the answe...

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

Method note for “Two laboratories, two percentages: are they measuring the same thing?”: use “Create separate columns for the quantity measured,…” as ...

Case 55 — Certificate of analysis: which claim does each measurement support? · comparison exercise Clarification for “Certificate of analysis: which ...

Case 19 — Comparing laboratory methods across years Ask whether assay, instrument, units or reference intervals changed and retain both original repor...

Case 21 — Comparing laboratory methods across years Ask whether assay, instrument, units or reference intervals changed and retain both original repor...

Case 27 — Certificate of analysis: which claim does each measurement support? · source wording exercise Clarification for “Certificate of analysis: wh...

Separate the authors’ proposed mechanism from the measurements that support it. A plausible explanation is not automatically a demonstrated pathway.

Limit of the answer in “Comparing laboratory methods across years”: “Ask whether assay, instrument, units or reference intervals changed…” is an excer...