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Table 1 Characteristics of patients with and without blood transfusion

From: Alcohol-positive multiple trauma patients with and without blood transfusion: an outcome analysis

Measure TG (n = 76) NTG (n = 69) P value
Age, years, mean (SD)a 39.0 (18.2) 38.6 (17.0) .885
Male, n [%]/female, n [%]b 63 [82.9]/13 [17.1] 66 [95.7]/3 [4.3] .014
ISS, mean (SD)c 35.1 (17.5) 16.4 (14.0) ≤.001
GCS, mean (SD)c 9 .2 (4.9) 11.9 (4.6) ≤.001
BAC, g/l, mean (SD)c .65 (.90) .41 (.74) .053
Severe head injury, n [%]b 44 [57.9] 20 [29.0] ≤.001
Mortality, n [%]b 15 [19.7] 3 [4.3] .005
ICU admission, n [%]b 67 [88.2] 28 [40.6] ≤.001
ICU days, mean (SD) c 16.0 (14.5) 3.5 (7.0) ≤.001
Artificial ventilation, n [%]b 61 [80.3] 18 [26.1] ≤.001
Artificial ventilation hours, mean (SD)c 273.8 (293.2) 47.0 (118.5) ≤.001
No intubation, n [%]b 17 [22.4] 44 [63.8] ≤.001
Hemoglobin, mmol/l, mean (SD)a 5.4 (1.3) 7.8 (1.2) ≤.001
Prothrombin, sec, mean (SD)c 72.7 (28.7) 95.7 (25.7) ≤.001
Lactat, mmol/l, mean (SD)c 3.1 (2.7) 1.9 (1.8) ≤.001
Trauma context, n [%]b    .603
   Traffic accident 50 [65.8] 45 [65.3]  
Pedestrian 6 [7.9] 3 [4.3]  
Bicyclist 6 [7.9] 8 [11.6]  
Motorbiker 13 [17.1] 16 [23.2]  
Car driver 24 [31.6] 16 [23.2]  
Truck driver 1 [1.3] 2 [2.9]  
   Fall from height 25 [32.9] 21 [30.4]  
   Other 1 [1.3] 3 [4.3]  
Admission characteristics, n [%]b    
   Primary from the scene/ 51 [67.1]/ 61 [88.4]/ .002
   Secondary from other hospital 25 [32.9] 8 [11.6] .125.
   Helicopter total 46 [60.5] 33 [47.8] .012
   Helicopter secondary 19 [25.0] 7 [10.1]  
  1. a t test; b χ2 test; c U test
  2. TG = group of transfused patients; NTG = group of patients not transfused; SD = standard deviation; n = number of patients; ISS = Injury Severity Score; GCS = Glasgow coma scale; BAC = blood alcohol concentration in g/l, ICU = intensive care unit