NHAMCS-ED: The Hard Part of Clinical AI Is Not the Model
NHAMCS-ED looks almost ideal for clinical AI experiments: it combines structured emergency department visit variables with short reason-for-visit text. But it is a national probability survey, not a hospital EHR extract. Across my IV fluid utilization and hospital admission prediction projects, the biggest lesson was that the hard part is often not the model itself; it is deciding what the model is allowed to know, what the data actually represent, and what claims the analysis can support. ...