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. 2013 May 30;35(6):652–657. doi: 10.1111/ijlh.12109

Table 3.

Level of intrinsic clotting factor detected at Upper Limit of APTT

Deficient Plasma APTT Upper Limit (s) Actin FS 29.2 Actin FSL 29.3
Technoclone F. VIII Activity (%) 68 66
Siemens 73 62
CryoCheck 32 32
Technoclone F. IX Activity (%) 58 46
Siemens 76 56
CryoCheck 32 25
Technoclone F. XI Activity (%) 58 46
Siemens 71 50
CryoCheck 52 25
Technoclone F. XII Activity (%) 22 22
Siemens 78 50
CryoCheck 14 18