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Table 1 aPTT, thrombocytes, prothrombin time, INR and activities of the measured coagulation factors at time of the bleeding

From: Factor IX p.A37V mutation causes severe bleeding in a patient with phenprocoumon therapy

Parameter Result Normal range
Thrombocytes (103/µl) 439 163–337
Prothrombin time (%)a 34 70–130
INR 2.29 0.8–1.2
aPTT (s) 104 23.6–34.8
Factor VIII (%) 246 80–216
Factor IX (%) 3 78–150
Factor XI (%) 111 83–154
Factor XII (%) 72  > 53
Factor XIII (%) 78  > 86
  1. aProthrombin time expressed as percent according to Quick