Skip to main content

Table 3 Factors associated with in-hospital intervention and patient’s outcomes

From: Outcomes improvement despite continuous visits of severely injured patients during the COVID-19 outbreak: experience at a regional trauma centre in South Korea

 

Before PSM

After PSM

 

COVID-19 era (n = 3770)

Pre-COVID-19 (n = 4960)

p-value

Pre-COVID-19 (n = 3770)

p-value

Result of ED visit

  

 < 0.001

 

 < 0.001

 Admission to ward

2261 (60.0)

2914 (58.8)

 

2167 (57.5)

 

 Emergency operation

476 (12.6)

581 (11.7)

 

467 (12.4)

 

 Admission to ICU

813 (21.6)

971 (19.6)

 

803 (21.3)

 

 Transfer to other hospital

164 (4.4)

410 (8.3)

 

282 (7.5)

 

 Death in ER

56 (1.5)

84 (1.7)

 

51 (1.4)

 

Time from injury to ED visit (minutes)

256.8 ± 338.3

230.6 ± 317.7

 < 0.001

229.9 ± 313.9

 < 0.001

ER stay (minutes)

280.5 ± 203.9

278.2 ± 223.9

0.614

278.4 ± 227.1

0.676

Time from injury to operation (minutes)

359.9 ± 254.9

366.5 ± 264.9

0.680

358.8 ± 258.5

0.947

Time from ED visit to operation (minutes)

203.1 ± 202.2

201.3 ± 197.0

0.883

193.9 ± 193.5

0.477

Hospital LOS (day)

15.7 ± 22.9

17.3 ± 28.0

0.007

18.6 ± 30.3

 < 0.001

ICU LOS (days)

6.8 ± 11.4

7.3 ± 9.3

0.172

7.7 ± 9.7

0.031

Duration of mechanical ventilation (days)

4.2 ± 7.2

6.6 ± 10.1

 < 0.001

6.9 ± 10.5

 < 0.001

Transfusion within 24 h (units)

     

 Red blood cell

0.6 ± 2.6

0.6 ± 3.0

0.930

0.7 ± 3.1

0.235

 Fresh frozen plasma

0.5 ± 2.4

0.5 ± 2.5

0.701

0.6 ± 2.6

0.488

 Platelet concentration

0.1 ± 1.0

0.1 ± 0.9

0.219

0.1 ± 0.9

0.632

Mortality

209 (5.5)

252 (5.1)

0.363

196 (5.2)

0.540

  1. PSM propensity score matching, COVID coronavirus disease, ER emergency room, ICU intensive care unit, LOS length of stay