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Table 1 Demographic characteristics and pre-transfer information according to the period

From: Impact of COVID-19 pandemic on interhospital transfer of patients with major trauma in Korea: a retrospective cohort study

  

Total

(2019.2-2021.1)

Pre-COVID-19

(2019.2-2020.1)

COVID-19

(2020.2-2021.1)

p-value

Number of patients

 

2100

1317

783

 

Agea

     
  

62 (45–76)

63 (45–77)

61 (44–74)

0.038

 

Age ≥ 65

977 (46.5)

631 (47.9)

346 (44.2)

0.098

Sex

    

0.579

 

Male

1317 (62.7)

820 (62.3)

497 (63.5)

 
 

Female

783 (37.3)

497 (37.7)

286 (36.5)

 

Nationality

    

0.757

 

Domestic

2070 (98.6)

1299 (98.6)

771 (98.5)

 
 

Foreign

30 (1.4)

18 (1.4)

12 (1.5)

 

Injury type

    

0.684

 

Blunt trauma

2044 (97.3)

1280 (97.2)

764 (97.6)

 
 

Penetrating

51 (2.4)

35 (2.7)

16 (2.0)

 
 

Burn

5 (0.3)

2 (0.1)

3 (0.4)

 

Injury mechanism

    

0.153

 

RTA

682 (32.5)

437 (33.1)

245 (31.3)

 
 

AVP

153 (7.3)

104 (7.9)

49 (6.2)

 
 

MVC

227 (10.8)

145 (11.0)

82 (10.5)

 
 

MCC

155 (7.4)

98 (7.4)

57 (7.3)

 
 

Bicycle

84 (4.0)

49 (3.7)

35 (4.5)

 
 

E-scooter

13 (0.6)

4 (0.3)

9 (1.1)

 
 

Industrial

44 (2.1)

31 (2.3)

13 (1.7)

 
 

Other NMV

6 (0.3)

6 (0.5)

0 (0.0)

 
 

Slip down

685 (32.6)

417 (31.7)

268 (34.2)

 
 

Fall

426 (20.3)

261 (19.9)

165 (21.0)

 
 

Struck

184 (8.8)

131 (9.9)

53 (6.8)

 
 

Other

123 (5.8)

71 (5.4)

52 (6.7)

 

Occupational activity

    

0.025

 

Yes

276 (13.2)

153 (11.6)

123 (15.7)

 
 

No

1378 (65.6)

876 (66.5)

502 (64.1)

 
 

Unknown

446 (21.2)

288 (21.9)

158 (20.2)

 

Alcohol-related

    

0.458

 

No drink (test confirmed) or not suspected

438 (20.9)

276 (21.0)

162 (20.7)

 
 

Suspected (not tested)

64 (3.0)

34 (2.6)

30 (3.8)

 
 

Drink (test confirmed)

106 (5.1)

67 (5.1)

39 (5.0)

 
 

Unknown

1492 (71.0)

940 (71.3)

552 (70.5)

 

Referring from TC

    

0.941

 

TC

117 (5.6)

73 (5.5)

44 (5.6)

 
 

Non-TC

1983 (94.4)

1244 (94.5)

739 (94.4)

 

Referring ED level

    

0.789

 

Level I ED

263 (12.5)

166 (12.6)

97 (12.4)

 
 

Level II ED

426 (20.4)

269 (20.4)

157 (20.3)

 
 

Level III ED

813 (38.9)

501 (38.0)

312 (40.3)

 
 

Non-ED

589 (28.2)

380 (28.9)

209 (26.0)

 
 

Military ED

1 (0.0)

1 (0.1)

0 (0.0)

 

Transport mode

    

0.850

 

Ground

2098 (99.9)

1315 (98.2)

783 (100.0)

 
 

Air

2 (0.1)

2 (0.2)

0 (0.0)

 

Time from injury to TC (m)a

 

329 (182–1383)

326 (174–1369)

334 (199–1390)

0.214

  1. Unless otherwise indicated, data are reported as number (percent)
  2. aData are reported as median (interquartile range)
  3. RTA, road traffic accident; AVP, automobile vs. pedestrian; MVC, motor vehicle collision; MCC, motorcycle collision; NMV, non-motorized vehicle; TC, trauma center; ED, emergency department