Table 1 Demographic and clinical data by group
Group A | Group B | P | |
|---|---|---|---|
(INVOS, n = 75) | (Control, n = 75) | ||
Age (yrs) | 67.3 ± 8.5 | 65.9 ± 9.5 | 0.329 |
Female n (%) | 12 (16.0%) | 15 (20.0%) | 0.523 |
Weight (kg) | 79.1 ± 14.4 | 75.9 ± 13.0 | 0.140 |
Height (cm) | 166.9 ± 8.3 | 166.7 ± 8.9 | 0.893 |
BMI | 28.4 ± 4.6 | 27.2 ± 3.5 | 0.084 |
BSA (m2) | 1.86 ± 0.19 | 1.83 ± 0.20 | 0.281 |
LVEF (%) | 47.4 ± 10.8 | 48.3 ± 8.0 | 0.536 |
Prior MI, n (%) | 42 (56.0%) | 40 (53.3%) | 0.742 |
Diabetes, n (%) | 17 (22.6%) | 19 (25.3%) | 0.702 |
Hypertension, n (%) | 62 (82.6%) | 59 (78.6%) | 0.535 |
COPD, n (%) | 16 (21.3%) | 16 (21.3%) | 1.000 |
Preoperative Hct (%) | 39.5 ± 3.90 | 40.4 ± 4.53 | 0.246 |
Operation | |||
CABG (isolated), n (%) | 63 (84.0%) | 58 (77.3%) | 0.348 |
Number of grafts | 207 in 67 pts | 192 in 66 pts | |
MVR, n (%) | 3 (4.0%) | 3 (4.0%) | |
MVR/CABG, n (%) | 1 (1.3%) | 0 (0.0%) | |
AVR, n (%) | 5 (6.6%) | 4 (5.3%) | |
AVR/CABG, n (%) | 3 (4.0%) | 8 (10.6%) | |
ASD repair, n (%) | 0 (0.0%) | 2 (2.6%) | |
CPB time (min) | 88.8 ± 18.2 | 93.7 ± 29.8 | 0.216 |
Operation time (min) | 249.9 ± 41.9 | 248.0 ± 59.2 | 0.812 |
Postoperative data | |||
hmv* | 16.4 ± 24.7 | 14.6 ± 10.3 | 0.558 |
ICU LOS** | 2.7 ± 3.8 | 2.7 ± 3.6 | 0.999 |
hospital LOS*** | 10.9 ± 3.6 | 10.2 ± 10.7 | 0.181 |
LOS > 9◊, n (%) | 51 (68.0%) | 41 (54.7%) | 0.132 |
Complications, n (%) | 14 (18.6%) | 12 (16.0%) | 0.666 |
Death, n (%) | 1 (1.3%) | 1 (1.3%) | 1.000 |