Table 1 The inclusion and exclusion criteria
Inclusion criteria | Exclusion criteria |
|---|---|
1. Receiving unilateral primary TKA due to end-stage knee diseases | 1. UKA |
2. Receiving pre- and intraoperative TXA or pre-, intra-, and postoperative TXA | 2. Bilateral TKA |
3. Preoperative hemoglobin level > 90 g/L | 3. Tumor-related TKA |
4. Revision TKA | |
5. Combined with significant hepatic or renal dysfunction | |
6. Combined with coagulation dysfunction preoperatively | |
7. Combined with knee infection preoperatively |