A correction log is part of the finding

Public research will sometimes need correcting. A source refreshes, an interpretation improves, or a reader spots a real error. The question is not whether corrections happen. It is whether readers can see them.

Silent edits destroy the audit trail the finding depends on. If a number changes without a note, every earlier citation of it becomes a quiet discrepancy.

Keep a visible correction log with each published finding: what changed, when, and why. Link old versions where you can. A finding that shows its own history is easier to trust than one that pretends it was never wrong.

Read the original research: When a zero count has a median.

Sources: CMS FAQ; CMS technical documentation.