Table 1

Baseline characteristics of the study cohort

OverallTCD ≥0 cmTCD <0 cmP value
N61659026
Age (years)50.0 [32.0, 66.0]50.0 [32.0, 65.0]48.0 [32.2, 70.8]0.821
Woman, n (%)168 (27.3)153 (25.9)15 (57.7)0.001
Man, n (%)448 (72.7)437 (74.1)11 (42.3)0.001
Height (cm)175.8 (8.4)176.2 (8.3)168.3 (6.7)<0.001
Weight (kg)80.3 (13.3)80.3 (13.0)81.0 (18.0)0.791
BMI26.0 [24.0, 28.0]25.5 [24.0, 28.0]28.5 [25.0, 30.8]0.006
ASA I (%)82 (13.3)76 (12.9)6 (23.1)0.267
ASA II (%)386 (62.7)373 (63.2)13 (50.0)
ASA III (%)134 (21.8)128 (21.7)6 (23.1)
ASA IV (%)14 (2.3)13 (2.2)1 (3.8)
ISS26.0 [20.0, 41.0]27.0 [20.0, 41.0]25.0 [18.2, 36.0]0.392
TTS6.0 [3.0, 10.0]6.0 [3.0, 10.0]6.0 [3.0, 10.0]0.907
PaO2/FiO2 ratio393.0 [277.8, 439.0]394.0 [282.8, 439.0]385.5 [184.0, 406.0]0.163
ETI prehospital, n (%)539 (87.5)522 (88.5)17 (65.4)0.002
ETI ED, n (%)77 (12.5)68 (11.5)9 (34.6)0.002
CPR prior CT, n (%)78 (12.7)70 (11.9)8 (30.8)0.011
TT prior CT, n (%)142 (23.1)134 (22.7)8 (30.8)0.344
Ventilator (days)3.0 [0.5, 13.2]3.0 [0.5, 13.0]6.0 [0.6, 18.5]0.209
ICU (days)8.0 [2.0, 22.0]8.0 [2.0, 21.8]10.5 [2.2, 25.5]0.611
24-hour mortality, n (%)59 (9.6)57 (9.7)2 (7.7)1
30-day mortality, n (%)147 (23.9)140 (23.7)7 (26.9)0.646
Hospital mortality, n (%)153 (24.8)146 (24.7)7 (26.9)0.817
  • Squared brackets indicate IQR preceded by medians; round brackets of continuous traits indicate SDs preceded by means.

  • ASA, American Society of Anesthesiologists; BMI, body mass index; CPR, cardiopulmonary resuscitation; ETI, endotracheal intubation; ICU, intensive care unit; ISS, Injury Severity Score; TCD, tube-to-carina distance; TT, tube thoracostomy; TTS, Thoracic Trauma Score.