Systemic glucocorticoid exposure, current or past.
Capture: Structured: agent, dose, duration. Values: Prednisolone-equivalent mg/day; months of use; current (yes/no)
FRAX definition: oral glucocorticoids currently, or for more than 3 months, at a dose of prednisolone 5 mg/day or more (or equivalent).
Also feeds adrenal-suppression risk (dose, duration, recency).