Skip to main content

Table 1 Baseline characteristics of overall study population

From: Computed tomography during initial management and mortality among hemodynamically unstable blunt trauma patients: a nationwide retrospective cohort study

Characteristics

Total

Missing

(n = 5,809)

n (%)

Age, mean (SD), years

56.4 (20.7)

 

Gender, male (%)

3,813 (65.7)

1 (0.02)

Year of the injury (%)

 2004

164 (2.8)

 

 2005

197 (3.4)

 

 2006

160 (2.8)

 

 2007

339 (5.8)

 

 2008

493 (8.5)

 

 2009

550 (9.5)

 

 2010

674 (11.6)

 

 2011

765 (13.2)

 

 2012

907 (15.6)

 

 2013

862 (14.8)

 

 2014

698 (12.0)

 

Arrival vital signs, mean (SD)

 SBPa, mmHg

75.6 (10.1)

 

 DBPb, mmHg

47.0 (12.2)

952 (16.4)

 RRc, breaths/min

24.0 (8.2)

563 (9.7)

 HRd, beats/min

93.4 (28.0)

81 (1.4)

 GCSe

11.3 (4.3)

269 (4.6)

Severity, mean (SD)

 ISSf

26.0 (15.2)

146 (2.5)

 RTSg

5.87 (1.41)

740 (12.7)

 TRISS Psh

0.67 (0.31)

899 (15.5)

 Underwent CT (%)

5,352 (92.1)

 

 FASTi, positive (%)

1,239 (22.4)

284 (4.9)

Death (%)

 In-hospital

1,483 (25.5)

 

 Death within 24 h

802 (14.5)j

 
  1. aSBP, systolic blood pressure; bDBP, diastolic blood pressure; cRR, respiratory rate; dHR, heart rate; eGCS, Glasgow Coma Scale; fISS, Injury Severity Score; gRTS, Revised Trauma Score; hTRISS Ps, Trauma Revised Injury Severity Score Probability of Survival; iFAST, Focused Assessment Sonography for Trauma
  2. j280 dead patients with missing time of death data were excluded from the numerator