Table 5

Mortality by body region injured, complications and mechanism of injury
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)

Where appropriate values are presented in %s. aP-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.

Tebby et al.

Tebby et al. BMC Medicine 2014 12:111   doi:10.1186/1741-7015-12-111

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