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Table 1 Patient characteristics before pECLA initiation for total number of patients and subgroup for survival/non-survival to hospital discharge

From: Validation of RESP and PRESERVE score for ARDS patients with pumpless extracorporeal lung assist (pECLA)

Characteristics, n (%)

Total

Survivor

Non-Survivor

Mortality

n=

73

37

36

49%

female sex

28 (38)

18 (49)

10 (28)

26%

male sex

45 (62)

19 (51)

26 (72)

58%

age, years

51 +/− 17

44 +/−15*

57 +/−  16*

 

Body mass index, kg/m2

27.6 +/− 6.1

28.2 +/− 6.8

27.0 +/− 5.2

 

SOFA score

9 +/− 3

8 +/− 3

10 +/− 4

 

immunocompromised status

13 (18)

2 (5)

11 (31)

85%

Immunocompetent status

60 (82)

35 (95)

25 (69)

42%

Origin of ARDS, n (%)

 pneumonia

44 (60)

25 (68)

19 (53)

43%

  viral

10 (14)

7 (19)

3 (8)

30%

  bacterial

29 (40)

14 (38)

15 (42)

52%

  aspiration

3 (4)

3 (8)

0 (0)

0%

 trauma and burn

10 (14)

5 (14)

5 (14)

50%

 status asthmaticus

3 (4)

2 (5)

1 (3)

33%

 other

16 (22)

5 (14)

11 (31)

69%

Severity of ARDS, n (%)

 mild

6 (8)

4 (11)

2 (6)

33%

 moderate

40 (55)

20 (54)

20 (56)

50%

 severe

27 (37)

13 (35)

14 (39)

52%

Ventilator/pECLA therapy

 Duration of mechanical ventilation before pECLA, days

8 +/− 8

6 +/− 7

10 +/− 10

 

 Duration of pECLA therapy, days

8 +/− 8

7 +/− 5

9 +/− 9

 

 rescue therapy (ECMO)

9 (12)

5 (14)

4 (11)

44%

 no rescue therapy

64 (78)

32 (86)

32 (89)

50%

Rescue therapy before pECLA

 Inhaled nitric oxide

11 (15)

7 (19)

4 (11)

25%

 neuromuscular blockade agents

0 (0)

0 (0)

0 (0)

 

 prone position

10 (14)

4 (11)

6 (17)

60%

Age, years, n (%)

 18–49

31 (43)

22 (59)

9 (25)

29%

 50–59

14 (19)

8 (22)

6 (17)

43%

  ≥ 60

28 (38)

7 (19)

21 (58)

75%

  1. Data presented as mean ± SD or number (n) with percent of all patient within the group (%) and hospital mortality of the group, where applicable. * p < 0.01 alive vs. dead, p < 0.05 alive vs. dead, p < 0.01 between groups