Table 3. Intraoperative and postoperative data. Data are expressed in numbers or mean±SD.
| HRnormal (n=168) | HRreduced (n=31) | P value | |
|---|---|---|---|
| Intraoperative variables | |||
| Total heparin (units) | 10 753±2124 | 12 590±1832 | <0.001 |
| Total protamine (mg) | 42±11 | 43±15 | 0.836 |
| Bleeding (mL) | 236±177 | 279±145 | 0.210 |
| pRBC (pack) | 0.5±1.0 | 0.90±1.0 | 0.049 |
| FFP (pack) | 0.5±1. 6 | 0.6±1.2 | 0.606 |
| p-conc (pack) | 0.3±1.5 | 0.1±0.7 | 0.543 |
| Postoperative variables | |||
| bleeding (mL) | 1214±518 | 1291±453 | 0.440 |
| pRBC (pack) | 0.6±1.3 | 0.6±1.0 | 0.962 |
| FFP (pack) | 0.5±1.6 | 0.6±1.2 | 0.823 |
| p-conc (pack) | 0.3±1.5 | 0.1±0.7 | 0.483 |
| Graft numbers | 3.3±0.7 | 3.5±0.6 | 0.051 |
| Arterial grafts | 2.8±1.0 | 2.7±1.1 | 0.558 |
| Vein grafts | 0.45±0.87 | 0.74±1.2 | 0.183 |
| Both arterial and vein grafts | 42 (25%) | 10 (32%) | 0.398 |
| Operation time (min) | 249±50 | 266±36 | 0.067 |
| Anesthesia time (min) | 327±52 | 346±39 | 0.054 |
HRnormal, normal heparin responsiveness; HRreduced, reduced heparin responsiveness; pRBC, packed red blood cells; FFP, fresh frozen plasma; p-conc, platelet concentrates.