Table 4

Prevalence of injury to different body regions, mechanisms of and complications from polytrauma
Injury/Outcome Present PMC P-values
Diabetes Known PMC no diabetes Definitely no PMC
Head AIS 3+ No 90 1174 1122 0.622
% (95% CI) 40.5 (34.1 to 47) 43.3 (41.5 to 45.2) 43.9 (41.9 to 45.8)
Yes 132 1535 1436
% (95% CI) 59.5 (53 to 65.9) 56.7 (54.8 to 58.5) 56.1 (54.2 to 58.1)
Abdo AIS 3+ No 197 2208 1959 <0.001
% (95% CI) 88.7 (84.6 to 92.9) 81.5 (80 to 83) 76.6 (74.9 to 78.2)
Yes 25 501 599
% (95% CI) 11.3 (7.1 to 15.4) 18.5 (17 to 20) 23.4 (21.8 to 25.1)
Chest AIS 3+ No 55 666 615 0.890
% (95% CI) 24.8 (19.1 to 30.5) 24.6 (23 to 26.2) 24 (22.4 to 25.7)
Yes 167 2043 1943
% (95% CI) 75.2 (69.5 to 80.9) 75.4 (73.8 to 77) 76 (74.3 to 77.6)
Extremity AIS 3+ No 114 1340 1248 0.719
% (95% CI) 51.4 (44.8 to 57.9) 49.5 (47.6 to 51.3) 48.8 (46.9 to 50.7)
Yes 108 1369 1310
% (95% CI) 48.6 (42.1 to 55.2) 50.5 (48.7 to 52.4) 51.2 (49.3 to 53.1)
Any complication No 115 1472 1065 <0.001
% (95% CI) 51.8 (45.2 to 58.4) 54.3 (52.5 to 56.2) 41.6 (39.7 to 43.5)
Yes 107 1237 1493
% (95% CI) 48.2 (41.6 to 54.8) 45.7 (43.8 to 47.5) 58.4 (56.5 to 60.3)
ARDS, DVT, PE No 210 2644 2497 0.019
% (95% CI) 94.6 (91.6 to 97.6) 97.6 (97 to 98.2) 97.6 (97 to 98.2)
Yes 12 65 61
% (95% CI) 5.4 (2.4 to 8.4) 2.4 (1.8 to 3) 2.4 (1.8 to 3)
Pneumonia, Wound infection, Sepsis, UTI No 199 2483 2390 0.015
% (95% CI) 89.6 (85.6 to 93.6) 91.7% (90.6 to 92.7) 93.4% (92.5 to 94.4)
Yes 23 226 168
% (95% CI) 10.4 (6.4 to 14.4) 8.3 (7.3 to 9.4) 6.6 (5.6 to 7.5)
Renal failure No 215 2671 2539 0.002
% (95% CI) 96.8 (94.5 to 99.1) 98.6 (98.2 to 99) 99.3 (98.9 to 99.6)
Yes 7 38 19
% (95% CI) 3.2 (0.9 to 5.5) 1.4 (1 to 1.8) 0.7 (0.4 to 1.1)
MI, arrhythmia, arrest No 209 2590 2504 <0.001
% (95% CI) 94.1 (91.1 to 97.2) 95.6 (94.8 to 96.4) 97.9 (97.3 to 98.4)
Yes 13 119 54
% (95% CI) 5.9 (2.8 to 8.9) 4.4 (3.6 to 5.2) 2.1 (1.6 to 2.7)
Injury mechanism RTC (95% CI) 117 1437 1843 <0.001
52.7 (46.1 to 59.3) 53 (53 to 54.9) 72.0
High Fall (95% CI) 52 673 358
23.4 (17.8 to 29) 24.8 (23.2 to 26.4) 14 (12.7 to 15.3)
Low Fall (95% CI) 41 302 60
18.5 (13.4 to 23.6) 11.1 (9.9 to 12.3) 2.3 (1.7 to 2.9)
Other (95% CI) 10 200 188
4.5 (1.8 to 7.2) 7.4 (6.4 to 8.4) 7.3 (6.3 to 8.3)
Penetrating trauma (95% CI) 2 97 109
0.9 (0 to 2.1) 3.6 (2.9 to 4.3) 4.3 (3.5 to 5.1)
Total 222 2709 2558

Where appropriate values are presented in %s. 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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