Table 1 Baseline characteristics
Whole Cohort (n = 180) | Kalinox® (n = 90) | VR (n = 90) | p value | |
|---|---|---|---|---|
Demographics | ||||
Male gender | 134 (74) | 72 (80) | 62 (69) | 0.09 |
Age, years | 68.0 [60.0–74.8] | 68.0 [60.0–74.0] | 68.0 [61.5–75.0] | 0.94 |
BMI, kg/m2 | 25.9 [23.5–28.7] | 26.5 [23.7–29.3] | 25.1 [23.2–28.1] | 0.17 |
Surgery | ||||
CPB time | 70 [55–86] | 71 [55–85] | 69 [55–87] | 0.74 |
Type of surgery | 0.39 | |||
Isolated coronary bypass surgery | 99 (55.0) | 53 (58.9) | 46 (51.1) | |
Combined coronary bypass surgery | 7 (3.9) | 5 (5.6) | 2 (2.2) | |
Isolated or combined valve surgery | 61 (33.9) | 29 (32.2) | 32 (35.6) | |
Aorta surgery | 5 (2.8) | 1 (1.1) | 4 (4.4) | |
Myxoma | 1 (0.6) | 0 (0.0) | 1 (1.1) | |
Pericardiocentesis for tamponade | 6 (3.3) | 2 (2.2) | 4 (4.5) | |
Abdominal aorta surgery | 1 (0.6) | 0 (0.0) | 1 (1.1) | |
Number of mediastinal tubes | 2 [2–2] | 2 [2–2] | 2 [2–2] | 0.14 |
Number of pleural tubes | 1 [0–2] | 1 [0–2] | 1 [0–2] | 0.43 |
Drains removal in ICU | 175 (97.2) | 88 (97.8) | 87 (96.7) | 1.0 |
Drains removal in standard care unit | 5 (2.8) | 2 (2.2) | 3 (3.3) | 1.0 |