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Table 2 Patient characteristics in propensity-matched groups

From: Impact of levosimendan on weaning from peripheral venoarterial extracorporeal membrane oxygenation in intensive care unit

Variables Levosimendan group Standardized difference
Yes (n = 38) No (n = 65)
Length of stay in hospital before VA-ECMO (days) 4.7 ± 6.7 5.4 ± 9.7 − 0.09
Length of stay in ICU before VA-ECMO (days) 0.5 ± 1.8 1.7 ± 5.5 − 0.29
Clinical characteristics at ICU admission
 Simplified Acute Physiology Score 2 58.3 ± 18.1 58.1 ± 19.4 0.01
 Male 26 (68.4) 46 (70.8) − 0.05
 Age (years) 53.8 ± 15.4 54.2 ± 14.5 − 0.03
 Body mass index > 30 kg/m2 8 (21.1) 13 (20.0) 0.03
 Previous coronary artery disease 17 (44.7) 17 (26.2) 0.39
 Hypertension 15 (39.5) 29 (44.6) − 0.10
 Chronic renal failure with dialysis 6 (15.8) 8 (12.3) 0.10
 Chronic obstructive pulmonary disease 3 (7.9) 5 (7.7) 0.01
 Diabetes mellitus 17 (44.7) 21 (32.3) 0.25
 History of congestive heart failure 9 (23.7) 13 (20.0) 0.09
 Immunosuppression 1 (2.6) 1 (1.5) 0.08
 Liver cirrhosis 1 (2.6) 1 (1.5) 0.08
 Cancer 0 0 0.00
 Smoking (current or former) 12 (31.6) 24 (36.9) − 0.11
 Hazardous alcohol use 8 (21.1) 13 (20.0) 0.03
 Glasgow Coma Scale score 13.7 ± 3.7 13.4 ± 3.9 0.08
 Catecholamines 38 (100.0) 64 (98.5) 0.18
 Mechanical ventilation 36 (94.7) 57 (87.7) 0.25
 Renal replacement therapy 17 (44.7) 29 (44.6) 0.00
 Total bilirubin level (µmol/L) 35.1 ± 50.6 32.7 ± 37.3 0.05
 Platelet count (G/L) 169.4 ± 116.0 144.5 ± 89.9 0.24
 Prothrombin (%) 51.1 ± 16.1 45.4 ± 22.3 0.29
 Hemoglobin level (g/dL) 12.2 ± 14.4 9.7 ± 2.4 0.25
 Creatinine level (µmol/L) 182.0 ± 149.5 181.7 ± 165.2 0.00
 Left ventricular ejection fraction (%) 19.6 ± 6.8 20.6 ± 6.8 − 0.14
Reason for VA-ECMO    0.24
 Cardiac arrest 1 (2.6) 2 (3.1)  
 Dilated cardiomyopathy 4 (10.5) 5 (7.7)  
 Myocarditis 1 (2.6) 4 (6.1)  
 Acute myocardial infarction 13 (34.2) 18 (27.7)  
 Post-cardiotomy 14 (36.9) 24 (36.9)  
 Other reason 5 (13.2) 12 (18.5)  
Percutaneous implantation of VA-ECMO 18 (47.4) 27 (41.5) 0.12
Hemodynamic parameters (first 24 h post-VA-ECMO)
 VA-ECMO flow (L/min) 3.7 ± 0.6 3.5 ± 0.6 0.25
 Maximal dose of norepinephrine (µg/kg/min) 0.7 ± 0.6 0.7 ± 0.6 0.04
 Maximal dose of Dobutamine (µg/kg/min) 10.8 ± 4.3 9.9 ± 3.6 0.23
 Intra-aortic balloon pump 15 (39.5) 17 (26.2) 0.28
VA-ECMO duration 11.9 ± 8.1 10.7 ± 8 0.15
  1. Results are expressed as mean ± SD or number (%)
  2. VA-ECMO venoarterial extracorporeal membrane oxygenation, ICU intensive care unit