Table 3.

Case 8: Clotting Studies.

TestNormal RangeCase 8
Bleeding time (minutes) 4–9 
aPTT (seconds) 25–35 117 
Prothrombin time (seconds) 10–12 53 
Thrombin time (seconds) 15–18 18 
Factor V (%) 50–150 100 
Factor VII (%) 50–150 
Factor IX (%) 50–150 
Factor X (%) 50–150 
TestNormal RangeCase 8
Bleeding time (minutes) 4–9 
aPTT (seconds) 25–35 117 
Prothrombin time (seconds) 10–12 53 
Thrombin time (seconds) 15–18 18 
Factor V (%) 50–150 100 
Factor VII (%) 50–150 
Factor IX (%) 50–150 
Factor X (%) 50–150