Table 1 Patient characteristics at baseline (before ECMO initiation)

Variable

Total cohort (n=51)

Dead (n=26)

Alive (n=25)

p value

VV-ECMO indication, n (%)

 ARDS

33 (65)

20 (61)

13 (39)

 Non-ARDS

18 (35)

6 (33)

12 (67)

Age, y

56 (37-64)

58 (39-65)

48 (35-60)

0.346

Female Gender, n (%)

18 (35)

19 (37)

14 (27)

0.202

SAPS 2

47 (36-64)

55 (39-65)

43 (32-62)

0.247

SOFA, first 24h

11.0 (8.0-13.0)

10.5 (8.0-15.0)

11.0 (8.0-12.0)

0.317

MV before ECMO, days

2.0 (0.3-5.5)

3.2 (0.5-8.1)

0.5 (0.3-2.6)

0.014* 

P/FO₂

65 (52-95)

61 (51-84)

83 (54-118)

0.156

iNO, n (%)

24 (47)

12 (46)

12 (48)

0.895

PP, n (%)

13 (25)

9 (35)

4 (16)

0.127

RESP Score

0.0 (-3.0-3.0)

-2.5 (-4.0-0.8)

2.0 (-0.5-4.0)

0.001*

Predicted survival, %

52±22

43±19

62±22

0.004*

ICU survival, n (%)

25/51 (49)

ARDS cohort (n=33)

ARDS dead (n=20)

ARDS alive (n=13)

p value

Age, y

59 (32-67)

59.5 (31.3-69.0)

45.0 (32.0-66.5)

0.579

Female Gender, n (%)

10 (30)

6 (30)

9 (31)

0.963

SAPS 2

56 (43-69)

56 (45-66)

56 (42-74)

0.971

SOFA, first 24h

11.0 (9.0-13.0)

11.0 (8.5-14.5)

11.0 (10.0-12.5)

0.824

MV before ECMO, days

2.5 (0.4-7.6)

4.9 (0.7-9.3)

0.5 (0.3-2.6)

0.013*

P/FO₂

62 (52-87)

62 (51-87)

65 (52-87)

0.941

iNO, n (%)

19 (58)

10 (50)

9 (69)

0.275

PP, n (%)

12 (36)

9 (45)

3 (23)

0.201

RESP Score

-1.0 (-3.0-3.0)

-3.0 (-4.25-0.25)

3.0 (0.0-4.0)

0.006*

Predicted survival, %

51±24

43±20

64±24

0.016*

ICU survival, n (%)

20/33 (39)