Relationship between HIT ELISA % heparin inhibition, low-heparin OD, and SRA results for nonnegative HIT ELISAs with corresponding SRA testing during the analysis period (December 7, 2016 ...

A history of clinical HIT was defined as either a positive ELISA or HIPA test result on a past admission or documented presumed HIT from a past admission. Additional inclusion criteria included ...