The field guide
Six domains. A clearer picture.
Six starting points, not a complete catalog. Each domain connects its row structure to selected variable lessons and an engineering question.
6 of 6 domains · all classes
Adverse Events
Event data describes something that happened, with dates that may have different precision and an account of what was reported.
8 selected variables CMinterventionsConcomitant Medications
Medication records help describe treatment occurring around a study without assuming it is the study intervention itself.
7 selected variables DMspecial-purposeDemographics
A subject-level view gives observations a common identity, rather than repeating background attributes in every measurement row.
7 selected variables EXinterventionsExposure
Exposure lessons focus on treatment represented in the study data rather than what a scheduling screen says should occur.
6 selected variables LBfindingsLaboratory Tests
A laboratory value is only interpretable with its test identity, unit, collection context and representation.
8 selected variables VSfindingsVital Signs
Repeated measurements make the difference between a collection form and an observation table visible.
8 selected variables