StudyDesign 02716 · Member profile

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

Case 19 — Two laboratories, two percentages: are they measuring the same thing? Use a comparison-status column: directly comparable, comparable with s...

Clarification for “Reference management: distinguish primary and secondary sources”: the point beginning “Locate the primary study and confirm that it...

The summary should say that different quantities were initially mixed and identify how the revised table separates them. No clinical conclusion follow...

Limit of the answer in “Assay-specific reference ranges: what must travel with a result?”: “Retain units, method, laboratory interval and collection c...

Case 11 — Selection bias in a self-reported forum sample Discuss who chose to post, missing outcomes, unverifiable records and changes in reporting ov...

Method note for “Units and scale: prevent a silent comparison error”: use “Record the original units and axis transformation, show any conversion…” as...