Parameters Group A Group B P Value
Clinical characteristics
Age (year) 53.62±2.96          56.04±2.96        0.5653
Sex (Male/female)                      28/10                27/7 0.4042

BMI (kg/m )

25.30±0.88            26.90±0.88         0.1931
BSA(m) 1.95±0.040          2.00±0.040        0.3658
Laboratory data before LVAD surgery
Hct (%)                            33.49±1.08         33.73±1.08      0.8748
T-bil (mg/dL) 1.79±0.18         1.52±0.18       0.2720
D-bil (mg/dL) 0.61±0.08         0.50±0.08      0.3294
Cre (mg/dL)                          1.43±0.08          1.46±0.08       0.8179
Na (mEq/L) 131.39±1.61 132.11±1.61        0.7523
Alb (g/dL)                               3.63±0.08          3.70±0.08       0.5128
Laboratory data after LVAD surgery
Hct (%)                               36.91±1.02       35.69±1.02      0.4010
T-bil (mg/dL) 0.94±0.22       1.178±0.22      0.4405
D-bil (mg/dL)                           0.32±0.14       0.408±0.14      0.6572
Cre (mg/dL)                              1.39±0.10        1.42±0.10      0.8082
Na (mEq/L)                           131.47±1.40       132.69±1.40       0.5388
Alb (g/dL) 4.09±0.10        4.05±0.10      0.8204
Hemodynamic variables before LVAD surgery
CO (L/min/m)                    3.08±0.159       3.474±0.159        0.0846
PAWP (mmHg)  24.54±1.63 25.68±1.63         0.6217
Mean PA (mmHg)               36.27±1.91        36.69±1.94         0.8771
RAP (mmHg) 10.43±1.28        10.14±1.28 0.8752
Mean AP (mmHg)               76.38±1.98        76.25±1.98         0.9659
PVR (wood) 3.89±0.42        3.35±0.42        0.3601
SVR (wood) 21.71±1.63 21.05±1.63         0.7739
Hemodynamic variables after LVAD surgery
CO (L/min/m)                    5.326±0.30 5.364±0.32 0.9319
PAWP (mmHg) 11.81±1.12 13.65±1.18 0.2666
Mean PA (mmHg) 21.95±1.71 24.00±1.79 0.4129
RAP (mmHg)                     7.130±0.98 8.91±0.98 0.2066
Mean AP (mmHg)               81.24±1.23 81.84±1.30 0.7376
PVR (wood) 2.26±0.25      2.047±0.27       0.5580
SVR (wood) 15.03±0.88        14.03±0.93        0.4397
Survival days after LVAD implantation    
      Survival (days) 406.25±52.41      249.97±52.41       0.0386
Data are presented as mean±SD, unless otherwise indicated
Abbreviations: BMI, body mass index; BSA, body surface area; Hct, hematocrit;
T-bil, total bilirubin; D-bil, direct bilirubin; Cre, creatinine; Na, sodium; Alb, albumin;
CO, cardiac output; PAWP, pulmonary atrial wedge pressure; PA, pulmonary artery pressure; RAP, right atrial pressure; AP, arterial pressure; PVR, pulmonary vascular resistance; SVR, systemic vascular resistance; LVEF, left ventricular ejection fraction
Table 3: Laboratory and hemodynamic variables before and after LVAD surgery.