Table 1 Descriptive statistics of the case study sample stratified by LVAD groups. Continuous variables are represented with I quartile/median/III quartile and categorical variables with percentage (relative frequencies). The Standardized Mean Differences (SMDs) on the unbalanced case study sample are reported in the last column of the table
| Â | Combined (N=103) | N | HeartWare HVAD (N=46) | Jarvik2000 LVAD (N=57) | SMD |
|---|---|---|---|---|---|
Sex (Female) | 15 % (15) | 103 | 17 % ( 8) | 12 % ( 7) | -0.14 |
Intermacs I | 42 % (43) | 103 | 39 % (18) | 44 % (25) | 0.10 |
Intermacs II | 27 % (28) | 103 | 39 % (18) | 18 % (10) | -0.49 |
Intermacs III | 15 % (15) | 103 | 13 % ( 6) | 16 % ( 9) | 0.08 |
Intermacs IV | 17 % (17) | 103 | 9 % ( 4) | 23 % (13) | 0.39 |
Age (years) | 50/60/66 | 103 | 42/53/62 | 58/63/67 | 0.89 |
BSA | 1.8/1.9/2.0 | 103 | 1.7/1.8/2.0 | 1.8/1.9/2.0 | 0.48 |
Cardiomyopathy : DCM | 38 % (39) | 103 | 52 % (24) | 26 % (15) | -0.55 |
IHD | 55 % (57) |  | 43 % (20) | 65 % (37) | 0.44 |
Other | 7 % ( 7) |  | 4 % ( 2) | 9 % ( 5) | 0.18 |
Severe Right Coronaropathy | 27 % (28) | 103 | 24 % (11) | 30 % (17) | 0.13 |
CI (L/min/m2) | 1.5/1.7/2.0 | 103 | 1.5/1.6/2.0 | 1.4/1.7/1.9 | -0.14 |
Preoperative VO2 at peak (ml/min/m2) | 9.2/11.0/11.9 | 78 | 9.8/11.4/12.4 | 9.1/10.9/11.7 | -0.26 |
Smoker | 46 % (45) | 98 | 41 % (19) | 50 % (26) | 0.18 |
Dislipidemia | 42 % (43) | 103 | 30 % (14) | 51 % (29) | 0.43 |
Hypertension | 48 % (49) | 103 | 41 % (19) | 53 % (30) | 0.23 |
Preoperative AF | 42 % (43) | 103 | 39 % (18) | 44 % (25) | 0.10 |
Cancer | 10 % (10) | 103 | 4 % ( 2) | 14 % ( 8) | 0.34 |
Diabetes | 24 % (25) | 103 | 17 % ( 8) | 30 % (17) | 0.30 |
Peripheral Vascular disease | 24 % (25) | 103 | 22 % (10) | 26 % (15) | 0.11 |
COPD | 5 % ( 5) | 103 | 4 % ( 2) | 5 % ( 3) | 0.04 |
ICD | 62 % (64) | 103 | 48 % (22) | 74 % (42) | 0.55 |
Reoperation | 16 % (16) | 103 | 7 % ( 3) | 23 % (13) | 0.47 |
Preoperative platelets (103/mm3) | 156/214/285 | 103 | 170/237/310 | 152/205/265 | -0.40 |
BNP | 3592/ 6362/12,460 | 89 | 2970/ 6173/13,247 | 3800/ 6961/11,751 | -0.06 |
GFR (mL/min/m3) | 50/68/90 | 96 | 58/72/90 | 44/58/90 | -0.26 |
Creatinine (mg/dL) | 0.94/1.26/1.58 | 99 | 0.93/1.23/1.47 | 0.96/1.32/1.64 | 0.30 |
ASA classification : 3 | 29 % (30) | 103 | 30 % (14) | 28 % (16) | -0.05 |
4 | 70 % (72) |  | 67 % (31) | 72 % (41) | 0.10 |
5 | 1 % ( 1) |  | 2 % ( 1) | 0 % ( 0) | -0.21 |
PAPS | 37/44/55 | 94 | 38/43/55 | 35/46/56 | 0.02 |
EF | 16/19/22 | 103 | 16/20/23 | 17/19/21 | -0.07 |
VTD (mL/m2) | 109/130/154 | 100 | 100/130/156 | 114/130/154 | -0.01 |
TAPSE | 12/14/18 | 103 | 12/14/16 | 13/15/19 | 0.37 |
AF right ventricular | 25/31/38 | 103 | 21/29/38 | 28/33/38 | 0.37 |
IT : 0 | 2 % ( 2) | 103 | 0 % ( 0) | 4 % ( 2) | 0.27 |
1 | 49 % (50) |  | 48 % (22) | 49 % (28) | 0.03 |
2 | 35 % (36) |  | 35 % (16) | 35 % (20) | 0.01 |
3 | 9 % ( 9) |  | 11 % ( 5) | 7 % ( 4) | -0.14 |
4 | 6 % ( 6) |  | 7 % ( 3) | 5 % ( 3) | -0.05 |
IM : 0 | 14 % (14) | 103 | 11 % ( 5) | 16 % ( 9) | 0.15 |
1 | 25 % (26) |  | 15 % ( 7) | 33 % (19) | 0.43 |
2 | 48 % (49) |  | 59 % (27) | 39 % (22) | -0.41 |
3 | 10 % (10) |  | 11 % ( 5) | 9 % ( 5) | -0.07 |
4 | 4 % ( 4) |  | 4 % ( 2) | 4 % ( 2) | -0.04 |
IAO : 0 | 69 % (71) | 103 | 74 % (34) | 65 % (37) | -0.20 |
1 | 30 % (31) |  | 24 % (11) | 35 % (20) | 0.25 |
3 | 1 % ( 1) |  | 2 % ( 1) | 0 % ( 0) | -0.21 |
Preoperative CVVH | 13 % (13) | 103 | 7 % ( 3) | 18 % (10) | 0.34 |
More than 1 days with preoperative CVVH | 13 % (13) | 103 | 7 % ( 3) | 18 % (10) | 0.34 |