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Table 2 The distribution of bleeding symptoms in two cohorts of patientsa with AHA.

From: Consensus recommendations for the diagnosis and treatment of acquired hemophilia A

Type of bleeding Collins et al. 2007[5]
(%)
Morrison et al. 1993[14]
(%)
  N = 172 N = 65
Subcutaneous/skin 81 23
Muscle 45 32
Subcutaneous only 24  
Gastrointestinal/intrabdominal 23 14
Genital urinary 9 18
Retroperitoneal/thoracic 9 5
Other 9 23
Post-operative   11
Joint 7 2
None 4  
Intracranial hemorrhage 3  
Fatal 9  
No haemostatic treatment required 34  
  1. aIn the study by Collins et al. [5] all bleeds at presentation were recorded. In the study by Morrison et al. [14] bleeds requiring treatment were recorded. The studies are therefore not directly comparable.