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Table 4 Patient characteristics at primary vs tertiary hospital. After subdivision into the studied groups

From: Routine whole body CT of high energy trauma patients leads to excessive radiation exposure

  Overall Primary hospital Tertiary hospital P-value
  (n = 523) (n = 250) (n = 273)  
Age - mean, years (SD) 36.39 (20.74) 35.11 (20.58) 37.56 (20.86) 0.18
Male gender % (n): 65.0 % (340) 63.2 % (158) 66.7 % (182) 0.41
Examined with whole body computer tomography in trauma (WBCT-T) % (n) 55.4 % (290) 40.0 % (100) 69.6 % (190) <0.001
Injury on WBCT-T % (n) 43.4 % (126) 45.0 % (45) 42.6 % (81) 0.7
Specific radiological exams % (n) 53.7 % (281) 60.0 % (150) 48.0 % (131) 0.006
Injury Severity Score - mean (SD) 4.89 (9.16) 4.79 (8.55) 4.99 (9.70) 0.8
S-etanol in mmol/l, intoxicated pt - mean (SD) 40.77 (21.52) 41.33 (26.83) 40.36 (17.37) 0.89
Intoxication on admission % (n) 8.0 % (38) 6.4 % (16) 9.8 % (22) 0.17
Highest level of care     <0.001
Admission to intensive care unit (ICU) % (n) 35.2 % (184) 58.0 % (145) 14.3 % (39)  
Admission to ward % (n) 19.9 % (104) 14.8 % (37) 24.6 % (67)  
Admission to clinical desicion unit (CDU) <24 h % (n) 10.7 % (56) 13.2 % (33) 8.5 % (23)  
Discharged from emergency department (E.D) % (n) 34.1 % (178) 14.0 % (35) 52.6 % (143)