Table 2 Baseline characteristics of the CT group and No CT group
Characteristics | CT group | No CT group | |
|---|---|---|---|
(n = 5,352) | (n = 457) | p value | |
Age, mean (SD), year | 56.2 (21.8) | 58.7 (20.6) | 0.013 |
Gender, male (%) | 3,535 (66.1) | 278 (60.8) | 0.024 |
Year of injury | |||
2004 | 148 (2.8) | 16 (3.5) | <0.001 |
2005 | 172 (3.2) | 25 (5.5) | |
2006 | 140 (2.6) | 20 (4.4) | |
2007 | 301 (5.6) | 38 (8.3) | |
2008 | 437 (8.2) | 56 (12.3) | |
2009 | 516 (9.6) | 34 (7.4) | |
2010 | 622 (11.6) | 52 (11.4) | |
2011 | 712 (13.3) | 53 (11.6) | |
2012 | 852 (15.9) | 55 (12.0) | |
2013 | 802 (15.0) | 60 (13.1) | |
2014 | 650 (12.1) | 48 (10.5) | |
Arrival vital signs, mean (SD) | |||
SBPa, mmHg | 75.8 (10.0) | 73.6 (11.1) | <0.001 |
DBPb, mmHg | 47.1 (12.1) | 45.1 (13.7) | 0.003 |
RRc, breaths/min | 23.9 (8.2) | 24.6 (8.6) | 0.079 |
HRd, beats/min | 92.9 (27.7) | 99.2 (31.2) | <0.001 |
GCSe | 11.4 (4.3) | 10.9 (4.8) | 0.008 |
Severity, mean (SD) | |||
ISSf | 26.2 (15.1) | 23.9 (16.8) | 0.002 |
RTSg | 5.89 (1.40) | 5.54 (1.57) | <0.001 |
TRISS Psh | 0.68 (0.31) | 0.64 (0.34) | 0.047 |
FASTi, positive (%) | 1,088 (21.4)j | 151 (35.2)j | <0.001 |
Death (%) | |||
In-hospital | 1,276 (23.8) | 207 (45.3) | <0.001 |
Death within 24 h | 655 (12.8)k | 147 (34.9)k | <0.001 |