Table 1 Clinicopathological characteristics of all ARDS’ patients.

From: Trend of extracorporeal membrane oxygenation support in patients with acute respiratory distress syndrome in South Korea

Variable

Mean (SD) or N (%)

Age, year

70.7 (15.6)

Sex, male

6,289 (61.8)

Annual Income level at ARDS treatment

Q1 (lowest)

2,870 (28.2)

Q2

1,527 (15.0)

Q3

2,022 (19.9)

Q4 (Highest)

3,610 (35.5)

Unknown

144 (1.4)

Treatment result

Discharge, and follow up in same hospital

2,732 (26.9)

Transfer to other long-term facility center

627 (6.2)

Discharge, and outpatient clinic follow up

2,680 (26.3)

Death within hospitalization

4,134 (40.6)

Admitting department

IM

8,158 (80.2)

Non-IM

2,015 (19.8)

Length of hospitalization, day

Total cost for hospitalization, USD

11,585.2 (14,234.2)

Cost per day, USD

827.0 (908.7)

Hospital admission

Transfer from other hospital

440 (4.3)

Admission through Emergency Room

6,279 (61.7)

Admission through outpatient clinic

3,454 (34.0)

Annual case volume of ARDS admission

Q1 ≤ 4

1,896 (18.6)

Q2: 5–14

2,429 (23.9)

Q3: 15–28

3,002 (29.5)

Q4 ≥ 29

2,846 (28.0)

Main diagnosis of ARDS

5,127 (50.4)

Sepsis associated ARDS

1,490 (14.6)

Diagnosis of shock during hospitalization

901 (8.9)

CCI at hospital admission for ARDS

4.7 (3.1)

ECMO support

740 (7.3)

Duration of ECMO support, day

1.6 (2.8)

NMB use

3,789 (37.2)

CRRT use

1,070 (10.5)

Duration of CRRT use, day

3.3 (5.6)

Duration of Mechanical Ventilator support, day

5.2 (8.3)

Experience of CPR during hospitalization

1,160 (11.4)

30-day mortality

4,846 (47.6%)

90-day mortality

6,276 (61.7%)

365-day mortality

7,051 (69.3%)

Year of admission for ARDS

2014

1,707 (16.8)

2015

1,608 (15.8)

2016

1,869 (18.4)

2017

1,706 (16.8)

2018

1,713 (16.8)

2019

1,570 (15.4)

  1. ARDS, acute respiratory distress syndrome; SD, standard deviation; IM, internal medicine; USD, United States Dollars; ECMO, extracorporeal membrane oxygenation; NMB, neuromusclar blockade; CRRT, continuous renal replacement therapy, CPR, cardiopulmonary resuscitation.