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Table 5 Mortality by body region injured, complications and mechanism of injury

From: Outcomes of polytrauma patients with diabetes mellitus

Injury/Complication Present/Mechanism Diabetes P-values Known PMC no diabetes P-values Definitely no PMC P-values
   Outcome   Outcome   Outcome  
   Alive Dead   Alive Dead   Alive Dead  
Head AIS 3+ Yes (95% CI) 74 58 <0.001 1161 374 <0.001 1163 273 <0.001
   56.1 (47.6 - 64.5) 43.9 (35.5 - 52.4)   75.6 (13.2 - 17.3) 24.4 (22.2 - 26.5)   81 (3.7 - 6.3) 19 (17 - 21)  
Abdo AIS 3+ Yes (95% CI) 19 6 0.466 373 128 0.002 523 76 0.944
   76 (59.3 - 92.7) 24 (7.3 - 40.7)   74.5 (70.6 - 78.3) 25.5 (21.7 - 29.4)   87.3 (84.6 - 90) 12.7 (10 - 15.4)  
Chest AIS 3+ Yes (95% CI) 112 55 0.911 1583 460 <0.001 1664 279 <0.001
   67.1 (59.9 - 74.2) 32.9 (25.8 - 40.1)   77.5 (75.7 - 79.3) 22.5 (20.7 - 24.3)   85.6 (84.1 - 87.2) 14.4 (12.8 - 15.9)  
Extremity AIS 3+ Yes          
(95% CI) 84 24 0.003 1114 255 0.022 1174 136 <0.001  
   77.8 (69.9 - 85.6) 22.2 (14.4 - 30.1)   81.4 (79.3 - 83.4) 18.6 (16.6 - 20.7)   89.6 (88 - 91.3) 10.4 (8.7 - 12)  
Any complication Yes (95% CI) 69 38 0.422 956 281 0.007 1306 187 0.588
   64.5 (55.4 - 73.6) 35.5 (26.4 - 44.6)   77.3 (74.9 - 79.6) 22.7 (20.4 - 25.1)   87.5 (85.8 - 89.2) 12.5 (10.8 - 14.2)  
ARDS, DVT, PE Yes (95% CI) 6 6 0.308 49 16 0.487 55 6 0.602
   50 (21.7 - 78.3) 50 (21.7 - 78.3)   75.4 (64.9 - 85.9) 24.6 (14.1 - 35.1)   90.2 (82.7 - 97.6) 9.8 (2.4 - 17.3)  
Pneumonia, wound infection, sepsis, UTI Yes (95% CI) 18 5 0.357 181 45 0.913 153 15 0.145
   78.3 (61.4 - 95.1) 21.7 (4.9 - 38.6)   80.1 (74.9 - 85.3) 19.9 (14.7 - 25.1)   91.1 (86.8 - 95.4) 8.9 (4.6 - 13.2)  
Renal Failure Yes 4 3   25 13 0.055 16 3  
      65.8% 34.2%   84.2% 15.8%  
      (50.7 - 80.9) (19.1 - 49.3)   (60.4 - 96.6)a (3.4 - 39.6)a  
MI, arrhythmia, arrest Yes 4 9   41 78 <0.001 14 40 <0.001
      34.5% 65.5%   25.9% 74.1%  
      (25.9 - 43) (57 - 74.1)   (14.2 - 37.6) (62.4 - 85.8)  
Injury mechanism RTC (95% CI) 85 32 0.194a 1173 264 0.001 1608 235 0.787
   72.6% 27.4%   81.6% 18.4%   87.2% 12.8%  
   (64.5 - 80.7) (19.3 - 35.5)   (79.6 - 78.3) (13.4 - 33.1)   (85.7 - 88.7) (11.3 - 14.3)  
  High fall (95% CI) 31 21   513 160   311 47  
   59.6% 40.4%   76.2% 23.8%   86.9% 13.1%  
   (46.3 - 72.9) (19.3 - 35.5)   (73 - 79.4) (20.6 - 27)   (83.4 - 90.4) (9.6 - 16.6)  
  Low fall (95% CI) 24 17   225 77   50 10  
   58.5% 41.5%   74.5% 25.5%   83.3% 16.7%  
   (43.4 - 73.6) (26.4 - 56.6)   (69.6 - 79.4) (20.6 - 30.4)   (73.9 - 91.9) (7.3 - 26.1)  
  Other 8 2   159 41   162 26  
      79.5% (73.9 - 85.1) 20.5% (14.9 - 26.1)   86.2% (81.3 - 91.1) 13.8% (8.9 - 18.7)  
  Penetrating trauma 2 0   86 11   98 11  
      88.7% (82.4 - 95) 11.3% (5 - 17.6)   89.9% (84.2 - 95.6) 10.1% (4.4 - 15.8)  
  1. Where appropriate values are presented in %s. a P-value for such analyses should not be interpreted due to the small number of patients. Abdo, abdomen; AIS, Abbreviated Injury Score; ARDS, acute respiratory distress syndrome; CI, confidence interval; DVT, deep vein thrombosis; MI, myocardial infarction; PE, pulmonary embolism; RTC, road traffic collision; UTI, urinary tract infection.