Table 1.

ADAMTS13 levels in patients with heparin-induced thrombocytopenia

ReferenceNo. of casesADAMTS13 activity
Range in patients, % (normal range, %)No. of cases
no more than 30%
Bianchi et al1 16 10-100 
  (> 50)  
Tsai et al2 18 48-160 0  
  (78-127)  
ReferenceNo. of casesADAMTS13 activity
Range in patients, % (normal range, %)No. of cases
no more than 30%
Bianchi et al1 16 10-100 
  (> 50)  
Tsai et al2 18 48-160 0  
  (78-127)