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Table 1 Patients characteristics

From: THREAT helps to identify epistaxis patients requiring blood transfusions

   Blood transfusion Yes, n = 22, 3.7% Blood transfusion No, n = 569, 96.3% p
Variable Value Number % Number %  
Sex male 11 50 320 56.2 0.7
  female 11 50 249 43.8  
Bleeding Localization anterior 5 22.7 402 70.7 <0.01
  posterior 17 77.3 167 29.3  
Trauma Yes 5 22.7 30 5.3 <0.01
  No 17 77.3 539 94.7  
Platelet antiaggregant medications Yes 9 40.9 207 36.4 0.7
  No 13 59.1 362 63.6  
Oral anticoagulants Yes 2 9.1 114 20 0.3
  No 20 90.9 455 80  
History of hypertension Yes 12 54.5 317 55.7 1
  No 10 45.5 242 42.5  
Known hematologic and vascular disorders Yes 6 27.3 19 3.3 <0.01
  No 16 72.7 550 96.7  
Elevated liver enzymes Yes 5 22.7 98 17.2 0.6
  No 17 77.3 471 82.8  
Therapy (>1 modality per patient possible) electric or chemical cautery 7 31.8 483 84.9 <0.01
  Nasal packing 14 63.6 197 34.6 0.01
  Operation 7 31.8 31 5.5 <0.01
First bleeding episode at presentation Yes 5 22.7 176 30.9 0.5
  No 17 77.3 393 69.1  
Hospitalisation Yes 19 86.4 80 14.1 <0.01
  No 3 13.6 489 85.9