The 1st DPT (A), and 1st DPH (B) and FVIII concentrations with various APTT
reagents. [FVIII concentrations] 1, 1.00 IU; 2, 0.50 IU; 3, 0.10 IU; 4, 0.05
IU; 5, 0.01 IU; 6, 0.005 IU and 7, 0.001 IU. [APTT reagents] A, APTT-SP; B,
APTT-SS; C, STA Cephascreen; D, Coagpia APTT-N; E, APTT PSL; F, C.K. Prest;
G, APTT-SLA; H, TC APTT; I, APTT FS; J, APTT FSL; K, PTT ACT; L, STA PTT A.
[Abbreviations] HemosIL APTT-SP; APTT-SP and HemosIL SynthASil; APTT-SS
(Instrumentation Laboratory), STA Cephascreen; STA Cephascreen, D, STA PTT
Automate; STA PTT A and C.K. Prest (Diagnostica Stago S.A.S), Coagpia
APTT-N; APTT-N (SEKISUI MEDICAL CO., LTD.), Thrombocheck APTT-SLA; APTT-SLA
and Thrombocheck APTT; TC APTT (Sysmex Corporation) and Dade® Actin® FS
Activated PTT Reagent; APTT FS, Dade® Actin ® FSL Activated PTT Reagent;
APTT FSL, Dade® Actin® FSL Activated Cephaloplastin Reagent; APTT ACT and
Pathromtin ® SL; APTT PSL (Siemens Healthcare Diagnostics Products GmbH).
FFT, fibrin formation time; FVIII, coagulation factor FVIII.