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Table 3 Characteristics of treatment and outcome among patients transported by emergency medical services a

From: Association between helicopter with physician versus ground emergency medical services and survival of adults with major trauma in Japan

  

Patients by transportation method, n(%)

 

All patients, n (%)

Helicopter

Ground

 

(N = 24,293)

(N = 2,090)

(N = 22,203)

Prehospital treatment

   

 O2

17,110 (70.4)

1,475 (70.6)

15,635 (70.4)

 Cervical collar

14,611 (60.1)

1,259 (60.2)

13,352 (60.1)

 Backboard

14,181 (58.4)

1,349 (64.5)

12,832 (57.8)

 Shock pants

21 (0.1)

2 (0.1)

19 (0.1)

 Splint

309 (1.3)

22 (1.1)

287 (1.3)

 Intubation

1,840 (7.6)

121 (5.8)

1,719 (7.7)

 Nasal airway tube

240 (1.0)

10 (0.5)

230 (1.0)

 Airway protection maneuver

2,023 (8.3)

233 (11.1)

1,790 (8.1)

 Intravenous fluid

963 (4.0)

395 (18.9)

568 (2.6)

FAST at ED

   

 Positive

2,919 (12.7)

309 (15.4)

2,610 (12.4)

 Negative

16,598 (71.9)

1,559 (77.8)

15,039 (71.4)

 Not used

3,557 (15.4)

136 (6.8)

3,421 (16.2)

CT

   

 Head

20,473 (84.3)

1,708 (81.7)

18,765 (84.5)

 Neck

12,246 (50.4)

1,138 (54.4)

11,108 (50.0)

 Spine

4,845 (19.9)

485 (23.2)

4,360 (19.6)

 Chest

16,155 (66.5)

1,577 (75.5)

14,578 (65.7)

 Abdomen

15,376 (63.3)

1,502 (71.9)

13,874 (62.5)

 Pelvis

12,424 (51.1)

1,006 (48.1)

11,418 (51.4)

 Others

899 (3.7)

72 (3.4)

827 (3.7)

Angiography

   

 Head

298 (1.2)

27 (1.3)

271 (1.2)

 Neck

131 (0.5)

12 (0.6)

119 (0.5)

 Spine

46 (0.2)

4 (0.2)

42 (0.2)

 Chest

335 (1.4)

36 (1.7)

299 (1.3)

 Abdomen

1,190 (4.9)

119 (5.7)

1,071 (4.8)

 Pelvis

1,215 (5.0)

143 (6.8)

1,072 (4.8)

 Others

81 (0.3)

12 (0.6)

69 (0.3)

Blood transfusion (+)

6,611 (28.0)

782 (38.2)

5,829 (27.0)

Operation

   

 Craniotomy

2,055 (8.5)

142 (6.8)

1,913 (8.6)

 Craterization

716 (2.9)

36 (1.7)

680 (3.1)

 Throracotomy

947 (3.9)

130 (6.2)

817 (3.7)

 Celiotomy

1,427 (5.9)

177 (8.5)

1,250 (5.6)

 Bone fixation

3,606 (14.8)

432 (20.7)

3,174 (14.3)

 Angiostomy

68 (0.3)

6 (0.3)

62 (0.3)

 TAE

1,237 (5.1)

127 (6.1)

1,110 (5.0)

 Endoscopic surgery

23 (0.1)

3 (0.1)

20 (0.1)

 Anastomosis

9 (0.0)

1 (0.0)

8 (0.0)

 Others

959 (3.9)

93 (4.4)

866 (3.9)

Disposition at ED

   

 Died

2,004 (8.2)

1,877 (8.5)

127 (6.1)

 ICU

18,439 (75.9)

1,634 (78.2)

16,805 (75.7)

 Ward

3,197 (13.2)

184 (8.8)

3,013 (13.6)

 Others

452 (1.9)

139 (6.7)

313 (1.4)

Disposition at discharge

   

 Died

6,311 (26.0)

546 (26.1)

5,765 (26.0)

 Hospital transfer

10,172 (41.9)

1,063 (50.9)

9,109 (41.0)

 Home

7,810 (32.1)

481 (23.0)

7,329 (33.0)

  1. aCT: Computed tomography; ED: Emergency department, FAST: Focused assessment with sonography in trauma; TAE: Transcatheter arterial embolization.