Table 1.
Baseline characteristics.
| Parameters | All (n = 32) | Responders (n = 17) | Nonresponders (n = 15) | P value |
|---|---|---|---|---|
| Age—years | 74 (36–86) | 74 (49–86) | 76 (36–83) | 0.77 |
| Male gender | 22 (69%) | 10 (59%) | 12 (80%) | 0.27 |
| Weight—kg | 83 (58–108) | 83 (62–100) | 82 (58–108) | 0.77 |
| Height—cm | 173 (145–184) | 173 (150–180) | 172 (145–184) | 0.83 |
| Type of surgery | ||||
| Coronary artery bypass | 13 (41%) | 7 (41%) | 6 (40%) | 1.00 |
| Valve | 18 (56%) | 10 (59%) | 8 (53%) | 1.00 |
| Major vascular | 9 (28%) | 4 (24%) | 5 (33%) | 0.70 |
| SAPS | 37 (18–64) | 35 (18–64) | 39 (21–63) | 0.79 |
| LV ejection fraction—% | 57 (35–80) | 60 (45–62) | 55 (35–80) | 0.59 |
| Mechanical ventilation | 14 (44%) | 7 (41%) | 7 (47%) | 0.47 |
| Dialysis | 7 (22%) | 3 (18%) | 4 (27%) | 0.86 |
LV: left-ventricular; SAPS: simplified acute physiology score. Results are given as median (minimum–maximum) or numbers (percentages). Groups were compared with Fisher's exact test or the Mann-Whitney U test, as appropriate.