Table 2

Polytrauma (AIS 3+ > =2 body regions, known outcome only) summary 2003 to 2011
Outcome observed Defined as PMC P-values
Diabetes Known PMC no diabetes Definitely no PMC
Gender Female 63 858 571 <0.001
% (95% CI) 28.4% (22.5 - 34.3) 31.7% (29.9 - 33.5) 22.3% (20.7 - 23.9)
Male 159 1851 1987
% (95% CI) 71.6% (65.7 - 77.5) 68.3% (66.5 - 70.1) 77.7% (76.1 - 78.7)
ISS Median ISS (IQR) 29 (25–38) 29 (22–38) 29 (22 - 38) 0.801
GCS on arrival Median GCS (IQR) 14 (11–15) 15 (12–15) 15 (12 - 15) 0.231
SBP on arrival Median SBP (IQR) 132 (108–154) 128 (108–146) 128 (110 - 145) 0.220
Pulse rate on arrival Median HR (IQR) 94.5 (80–110) 93 (77–111) 95 (79 - 114) 0.058
Days in hospital Median LOS (IQR) 17 (4–37.3) 15 (6–34) 14 (6 - 27) 0.005
Hours to death Median time to death(IQR) 42.9 (6.8 - 130.4) 23.3 (3.7 - 125.8) 10.7 (1.9 - 95.9) <0.001
Number of operations Median number of operations (IQR) 2 (1–3) 2 (1–3) 2 (1–3) 0.484
Hours to operation (hours) Median time to theater (IQR) 12.3 (3.6 - 45.8) 9.6 (3.6 - 46.9) 7.9 (3.1 - 27.5) 0.02
Critical care stay No 83 1047 966 0.779
% (95% CI) 37.4 (31–43.8) 38.6 (36.8 - 40.5) 37.8 (35.9 - 39.6)
Yes 139 1662 1592
% (95% CI) 62.6 (56.2 - 69) 61.4 (59.5 - 63.2) 62.2 (60.4 - 64.1)
Days in critical care Median LOS ICU (IQR) 3 (0–10.8) 3 (0–10) 3 (0–8) 0.147

Where appropriate values are presented in %s. AIS, Abbreviated Injury Score; CI, confidence interval; GCS, Glasgow Coma Score; HR, heart rate; IQR, interquartile range; ISS, Injury Severity Score; LOS, length of stay; PMC, past medical co-morbidities; SBP, systolic blood pressure.

Tebby et al.

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

Open Data