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Table 2 Initial assessment and Injury Severity Score according to mode of transport.

From: Impact of emergency medical helicopter transport directly to a university hospital trauma center on mortality of severe blunt trauma patients until discharge

  

Mode of Transport; number (%)

 
 

all patients; number (%)

number = 1,958

HMICU

number = 516

GMICU

number = 1,442

P

GCS

    

   ≥14

892 (46.0)

224 (44.0)

668 (46.8)

0.39

   8 to 13

393 (20.3)

101 (19.8)

292 (20.4)

 

   <8

653 (33.7)

184 (36.2)

469 (32.8)

 

Abnormal pupils

    

   No

1,474 (76.5)

386 (75.8)

1,088 (76.7)

0.71

   Yes

454 (23.5)

123 (24.2)

331 (23.3)

 

SBP (mmHg)

    

   ≥110

1,324 (68.3)

329 (65.0)

995 (69.5)

0.03

   90 to 110

344 (17.8)

89 (17.6)

255 (17.8)

 

   <90

270 (13.9)

88 (17.4)

182 (12.7)

 

SpO 2 (%)

    

   ≥90

1,626 (84.8)

419 (84.5)

1,207 (84.9)

0.83

   <90

292 (15.2)

77 (15.5)

215 (15.1)

 

AIS

    

   head AIS ≥4

81 (41.4)

19 (38.6)

61 (42.4)

0.14

   face AIS ≥4

1 (0.7)

7 (1.4)

6 (0.4)

0.05*

   neck AIS ≥4

9 (0.5)

2 (0.4)

7 (0.5)

1*

   thorax AIS ≥4

567 (29.0)

134 (26.0)

433 (30.0)

0.08

   abdominal AIS ≥4

137 (7.0)

36 (7.0)

101 (7.0)

0.98

   spine AIS ≥4

171 (8.7)

68 (13.2)

103 (7.1)

<0.001

   upper limbs AIS ≥4

1 (0.1)

1 (0.2)

0 (0.0)

0.26*

   lower limbs AIS ≥4

112 (5.7)

21 (4.1)

91 (6.3)

0.06

   other AIS ≥4

2 (0.1)

0 (0.0)

2 (0.1)

1*

ISS

    

   15 to 24

457 (23.3)

116 (22.5)

341 (23.7)

0.31

   25 to 34

725 (37.0)

207 (40.1)

518 (35.9)

 

   ≥35

471 (24.1)

122 (23.6)

349 (24.2)

 
  1. * Fisher Exact Test; AIS, Abbreviated Injury Scale; GCS, Glasgow Coma Scale; GMICU, ground mobile intensive care unit; HMICU, helicopter mobile intensive care unit; ISS, Injury Severity Score; SBP, systolic blood pressure; SpO2, pulse oximetry.