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Table 1 The demographic characteristics of all children

From: Platelet concentrate and type II IL-1 receptor are risk factors for allergic transfusion reactions in children

Variable Number of patients/transfusion Number of ATRs P
Sex n = 20,230 n = 117 0.514
-Female 9161 49 (0.53%)  
-Male 11,069 68 (0.62%)  
Age n = 20,230 n = 117 < 0.0001
- < 3 years 9332 18 (0.19%)  
-3-6 years 8350 55 (0.66%)  
-6 − 12 years 1364 29 (2.13%)  
−12-18 years 1184 15 (1.27%)  
Allergic history n = 20,230 n = 117 0.134
-None 18,395 102 (0.55%)  
-Drug 651 7 (1.08%)  
-Food, Rhinitis, pollen and others 1184 8 (0.68%)  
Number of transfusion per patient n = 20,230 n = 117 < 0.0001
-1 7816 21 (0.27%)  
−2-5 9751 56 (0.57%)  
−6-10 2195 61 (2.78%)  
- > 11 468 13 (2.78%)  
Products n = 28,840 n = 236 < 0.0001
-PC 4292 142 (3.31%)  
-SLRBC 11,571 26 (0.22%)  
-FFP 12,801 64 (0.45%)  
-Cryoprecipitate 176 4 (2.27%)  
Department n = 28,840 n = 236 < 0.0001
-Hematology-Oncology 6814 109 (1.59%)  
-Surgical ICU 2162 19 (0.88%)  
-Pediatric ICU 1876 5 (0.27%)  
-Cardiothoracic surgery 3139 18 (0.57%)  
-General surgery 2697 21 (0.78%)  
-Outpatient 9321 47 (0.50%)  
-Other 2831 17 (0.60%)  
ATR type   n = 236  
-urticaria / 162 (68.64%)  
-FNHTR / 14 (5.93%)  
-rash / 16 (6.78%)  
-erythema / 16 (6.78%)  
-skin itching / 8 (3.39%)  
-Others / 20 (8.47%)  
  1. ATR allergic transfusion reaction, PC platelet concentrate, SLRBC suspended leukocyte-reduced red blood cells, FFP fresh-frozen plasma, ICU intensive care unit, FNHTR non-hemolytic transfusion reactions