The number and proportion of patients receiving a non-red cell transfusion, and the number of units received, to 7 days and to discharge following index surgery, by group
| Mini-sternotomy group | Conventional sternotomy group | OR (95% CI p value) | |
| Non-red cell transfusions | |||
| Postoperatively to 7 days number of patients (%) | 6/135 (4.4) | 18/135 (13.3) | 0.3 (0.1 to 0.8; 0.0137) |
| Postoperatively to discharge number of patients (%) | 13/135 (9.6) | 21/135 (15.6) | 0.6 (0.3 to 1.2) |
| Non-red cell component units—postoperatively to 7 days | |||
| Number of patients | 6 | 18 | |
| Mean±SD | 3.2±0.9 | 4.6±1.6 | |
| Range (min–max) | 2–5 | 1–7 | |
| Non-red blood cell units—postoperatively to discharge | |||
| Number of patients | 13 | 21 | |
| Mean±SD | 4.8±2.3 | 4.9±2.3 | |
| Range (min–max) | 1–8 | 1–12 | |
| Non-red cell component transfusions | |||
| Postoperatively to 7 days number of patients (%) | 6 (4.4) | 18 (13.3) | 0.3 (0.1 to 0.8) |
| Postoperatively to discharge number of patients (%) | 13 (9.6) | 21 (15.6) | 0.6 (0.3 to 1.2) |