derivation set

derivation set

A group of patients with a clinical finding of interest (e.g., chest pain), which is studied retrospectively to identify facets of their disease that might help predict the intensity of observation (e.g., admission to ICU), appropriate diagnostic work-up (lab tests, imaging), and need for therapy.

derivation set

Decision-making A group of Pts with a clinical finding of interest–eg, chest pain, studied retrospectively, to identify facets of their disease that might help predict the intensity of observation–eg admission to ICU, appropriate diagnostic workup–lab tests, imaging, and need for therapy. See Validation set. Cf Cohort.
Mentioned in ?