Table 2.
Statistically significant results
| Number of patients | |||
|---|---|---|---|
| Distribution preoperative anemia—transfusion requirement | 79 | Independent-samples Mann–Whitney U test | < 0.0001 |
| Distribution age—transfusion complications | 53 | Independent-samples Mann–Whitney U test | 0.031 |
| Distribution coronary heart disease—transfusion complications | 39 | Independent-samples Mann–Whitney U test | 0.047 |
| Distribution chronic anemia—transfusion complications | 36 | Independent-samples Mann–Whitney U test | 0.047 |
| Distribution urgent surgeries—transfusion complications | 40 | Independent-samples Mann–Whitney U test | 0.016 |