Table 2:
Perfusion characteristics
| Variables | Mini-CPB (n = 160) | C-CPB (n = 159) | Statistics P [95% CI (Mini-CPB to C-CPB)] |
|---|---|---|---|
| Average Hb bypass (g dl−1) | 9.7 ± 1.6 | 8.3 ± 1.1 | P < 0.0005 (1.10 to 1.70) |
| Average CPB pump flow index (l min−2 m−2) | 2.37 ± 0.25 | 2.71 ± 0.21 | P < 0.0005 (−0.39 to −0.29) |
| Patients transfused PRBC Day 0 (n) | 37 | 54 | P = 0.035 |
| Patients transfused FFP (n) | 25 | 31 | NS (P = 0.38) |
| Patients transfused platelets (n) | 25 | 41 | P = 0.027 |
| Average oxygen delivery (ml min−2 m−2) | 311.3 ± 61.2 | 303.1 ± 43.2 | NS (P = 0.168) (−3.48 to 19.88) |
| Peak lactate (mmol l−1) | 1.35 ± 0.5 | 1.88 ± 0.7 | P < 0.0005 (−0.66 to −0.40) |
Perioperative perfusion variables between patients having either Mini-CPB or C-CPB. Each variable is shown as either mean ± SD or absolute number.