Table 1 Preoperative patient characteristics.
variable | measure | Unmatched | Matched | ||||
---|---|---|---|---|---|---|---|
0FF pump N = 143 | ON N = 159 | p | 0FF N = 143 | ON N = 143 | p | ||
Sex | n (%) | 0.830 | 1.000 | ||||
male | 105 (73.4) | 115 (72.3) | 105 (73.4) | 105 (73.4) | |||
female | 38 (26.6) | 44 (27.2) | 38 (26.6) | 38 (26.6) | |||
Age | mean ± sd | 63.8 ± 8.7 | 63.4 ± 8.2 | 0.684 | 63.8 ± 8.7 | 63.8 ± 8.3 | 1.000 |
BMI | mean ± sd | 27.3 ± 4.2 | 27.1 ± 4.0 | 0.540 | 27.3 ± 4.2 | 27.1 ± 4.0 | 0.613 |
HGB | mean ± sd | 127.8 ± 16.4 | 129.9 ± 16.4 | 0.264 | 127.8 ± 16.4 | 130.6 ± 16.5 | 0.153 |
HTA | n (%) | 138 (96.5) | 153 (96.2) | 0.898 | 138 (96.5) | 139 (97.2) | 0.735 |
HLP | n (%) | 111 (77.6) | 126 (79.2) | 0.732 | 111 (77.6) | 114 (79.7) | 0.665 |
DM | n (%) | 56 (39.2) | 43 (27.0) | 0.025 | 56 (39.2) | 43 (30.1) | 0.106 |
CRF | n (%) | 28 (19.6) | 9 (5.7) | <0.001 | 28 (19.6) | 9 (6.3) | 0.001 |
COPD | n (%) | 7 (4.9) | 11 (6.9) | 0.458 | 7 (4.9) | 10 (7.0) | 0.453 |
PVD | n (%) | 12 (8.4) | 10 (6.3) | 0.483 | 12 (8.4) | 9 (6.3) | 0.496 |
IM | n (%) | 81 (56.6) | 97 (61.0) | 0.442 | 81 (56.6) | 90 (62.9) | 0.278 |
PCI | n (%) | 76 (53.1) | 72 (45.3) | 0.172 | 76 (53.1) | 66 (46.2) | 0.237 |
ATRIAL FIBRILATION | n (%) | 77 (53.8) | 76 (47.8) | 0.294 | 77 (53.8) | 70 (49.0) | 0.408 |
CVA | n (%) | 10 (7.0) | 8 (5.0) | 0.472 | 10 (7.0) | 7 (4.9) | 0.453 |
Number of grafts | 0.077 | 0.051 | |||||
1 | 20 (14.0) | 10 (6.3) | 20 (14.0) | 8 (5.6) | |||
2 | 22 (15.4) | 24 (15.1) | 22 (15.4) | 21 (14.7) | |||
3 | 101 (70.6) | 125 (78.6) | 101 (70.6) | 114 (79.7) | |||
Ejection fraction | mean ± sd | 45.5 ± 14.3 | 53.5 ± 10.8 | <0.001 | 45.5 ± 14.3 | 52.1 ± 10.4 | <0.001 |
EF | n (%) | <0.001 | <0.001 | ||||
low | 58 (40.6) | 14 (8.8) | 58 (40.6) | 14 (9.8) | |||
normal | 85 (59.4) | 145 (91.2) | 85 (59.4) | 129 (90.2) | |||
Euroscore | mean ± sd | 3.0 ± 2.7 | 1.9 ± 3.2 | <0.001 | 3.0 ± 2.7 | 2.0 ± 3.3 | <0.001 |
STS score | mean ± sd | 7.7 ± 5.6 | 3.2 ± 4.9 | <0.001 | 7.7 ± 5.6 | 3.3 ± 5.1 | <0.001 |