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HIT cases

Positive HIT HIT with serology thrombosis In vitro n/N (%) n/N (%) test Comments

SRA, EIA Post-op orthopedic and cardiac surgery patients not studied. Positive SRA needed to diagnose HIT (n = 33 tested)

1/259 (0.4) 0/1 (0) EIA, SRA Serology missing from 8/40 patients with clinically suspected HIT. Positive SRA needed to diagnose HIT (n = 32 tested)

Not stated

Not stated

No cases described

No cases described

Not stated

Clinical criteria for HIT not stated. Two HIT cases reported to be confirmed by laboratory testing, but type of assay not stated UFH and LMWH were not found to be independent risk factors for the development of thrombocytopenia r~

CD CD m

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