Research Article

Correlation between the Injury Site and Trauma Mechanism in Severely Injured Patients with Blunt Trauma

Table 1

Patients’ clinical characteristics analyzed by mechanisms.

OverallaAaBaCaDaEaFaGaHaIa
(N = 1245)(N = 351)(N = 165)(N = 48)(N = 170)(N = 311)(N = 122)(N = 30)(N = 6)(N = 42)

Age (years)56.9 ± 18.354.3 ± 17.652.2 ± 22.762.0 ± 15.661.5 ± 18.956.3 ± 17.065.2 ± 15.854.9 ± 13.550.8 ± 14.655.5 ± 12.0
Sex
 Female321 (25.8)99 (28.2)13 (7.9)6 (12.5)82 (48.2)70 (22.5)39 (32.0)4 (13.3)2 (33.3)6 (14.3)
 Male924 (74.2)252 (71.8)152 (92.1)42 (87.5)88 (51.8)241 (77.5)83 (68.0)26 (86.7)4 (66.7)36 (85.7)
ISS23.6 ± 8.823.1 ± 8.724.5 ± 10.324.9 ± 12.525.0 ± 9.323.7 ± 8.222.1 ± 5.121.4 ± 4.919.0 ± 3.422.6 ± 10.2
AIS12.4 ± 2.01.9 ± 1.82.6 ± 2.03.1 ± 1.92.4 ± 2.02.5 ± 2.03.9 ± 1.62.1 ± 2.24.2 ± 0.40.5 ± 1.6
AIS1 ≥ 3637 (51.2)143 (40.7)87 (52.7)34 (70.8)78 (45.9)166 (53.4)106 (86.9)14 (46.7)6 (100.0)3 (7.1)
AIS20.6 ± 0.90.7 ± 0.90.8 ± 1.00.4 ± 0.70.7 ± 0.90.5 ± 1.00.2 ± 0.60.4 ± 0.70.5 ± 0.50.2 ± 0.5
AIS2 ≥ 332 (2.6)12 (3.4)9 (5.5)0 (0.0)5 (2.9)6 (1.9)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
AIS31.7 ± 1.72.1 ± 1.61.6 ± 1.51.6 ± 1.61.9 ± 1.71.9 ± 1.80.5 ± 1.41.6 ± 1.60.0 ± 0.02.0 ± 1.5
AIS3 ≥ 3583 (46.8)200 (57.0)73 (44.2)21 (43.8)91 (53.5)143 (46.0)16 (13.1)14 (46.7)0 (0.0)25 (59.5)
AIS41.1 ± 1.41.5 ± 1.60.9 ± 1.40.6 ± 1.31.0 ± 1.31.1 ± 1.40.3 ± 0.91.2 ± 1.70.3 ± 0.81.8 ± 1.5
AIS4 ≥ 3255 (20.5)106 (30.2)28 (17.0)6 (12.5)27 (15.9)56 (18.0)7 (5.7)9 (30.0)0 (0.0)16 (38.1)
AIS51.5 ± 1.51.5 ± 1.31.7 ± 1.40.9 ± 1.52.1 ± 1.71.5 ± 1.50.4 ± 1.00.8 ± 1.50.2 ± 0.42.6 ± 1.6
AIS5 ≥ 3330 (26.5)90 (25.6)46 (27.9)6 (12.5)69 (40.6)82 (26.4)8 (6.6)4 (13.3)0 (0.0)25 (59.5)
AIS60.0 ± 0.10.0 ± 0.20.0 ± 0.00.0 ± 0.00.0 ± 0.00.0 ± 0.00.0 ± 0.10.0 ± 0.00.0 ± 0.00.0 ± 0.3
AIS6 ≥ 31 (0.1)1 (0.3)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)

A, car accident; B, motorcycle accident; C, bicycle accident; D, pedestrian accident; E, fall down; F, slip and rolling down; G, crush; H, assault; I, others; AIS, abbreviated injury scale; AIS1, head and neck AIS; AIS2, facial AIS; AIS3, chest AIS; AIS4, intra-abdominopelvic organ AIS; AIS5, extremity and pelvic bone AIS; AIS6, external AIS. aData are expressed as n (%) unless otherwise noted.