Table 3.

Mechanical support relating data of patients who weaned and not weaned from ECMO

	Weaned from ECMO (n = 22)	Not weaned from ECMO (n = 15)	P value
ECMO duration (days)	6.5 [5–10]	7 [2–9]	0.63
IABP, n (%)	15 (68)	13 (87)	0.20
IABP duration (days)	8 [4–18]	8 [3–18]	0.85
Size of ECMO cannula, artery (Fr) (n = 12)	21 [21–21]	21 [21–21]	0.67
Size of ECMO cannula, vein (Fr) (n = 12)	15 [15–16]	16.5 [16.5–16.5]	0.49
Maximal ECMO flow (L/min)	3.5 [2.6–3.9]	3.3 [3–3.7]	0.96
Distal limb perfusion, n (%)	1 (5)	2 (13)	0.34
Retroperitoneal haemorrhage, n (%)	4 (18)	2 (13)	0.69
Intracranial haemorrhage, n (%)	1 (5)	1 (7)	0.78
Gastrointestinal bleeding, n (%)	2 (9)	4 (27)	0.16
Respiratory bleeding, n (%)	2 (9)	3 (20)	0.35
Arterial blood gas
Lactate at ECMO (mg/dL) (n = 25)	28.2 [16.3–47.8]	13.5 [6.8–60.2]	0.59
Lactate at 24 h (mg/dL) (n = 25)	15 [10.5–22]	19 [3.9–28]	0.54
Lactate at weaning (mg/dL) (n = 14)	11.9 [8.9–13.9]	N/A	N/A
pH at ECMO, (n = 34)	7.47 [7.39–7.51]	7.46 [7.38–7.50]	0.52
pH at 24 h, (n = 30)	7.45 [7.42–7.53]	7.36 [7.25–7.43]	0.01
pH at weaning, (n = 19)	7.47 [7.42–7.52]	N/A	N/A
SAVE score	0 [−2.3 to 3]	1 [−4 to 3]	0.59

ECMO, extracorporeal membrane oxygenation; IABP, intra‐aortic balloon pumping; N/A, not applicable; SAVE, survival after veno‐arterial extracorporeal membrane oxygenation.

Continuous variables are presented as medians and interquartile ranges and categorical variables as percentages.