αTAT and mTAT levels versus total TAT levels in individual patients. WB was drawn via phlebotomy into 0.1 mg/mL of CTI and subjected to 5pM relipidated rTf. Samples were quenched at 20 minutes with EDTA and Phe-Pro-Arg chloromethylketone and analyzed via αTAT ELISA (A) or mTAT ELISA (B). n = 10, and blood from some subjects was drawn more than once.