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Comparing blood results data against reference ranges in a multicentre trial
Ideally I would like to have a CRF of reference ranges for each Site, then use Rules to check against that Site-specific range.
We have thought of having quite long-winded Rules ...if site is A values should be less than X, if Site is B then value should be less than Y, .....
Site -specific CRFs, hiding all except the relevant when a new subject is created; then relatively simple Rules/validation for each CRF
Is there any neater solution? Thanks