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Descriptive statistics postoperative blood loss.
| Characteristics in mL | Control group | sTXA | aTXA |
| Postoperative blood loss | 791.7 ± 302.2 | 474.9 ± 207.3 | 349.9 ± 219.5 |
| Minimum | 300.0 | 150.0 | 5.0 |
| Maximum | 1750.0 | 1000.0 | 1180.0 |
| 95% CI of median | 650.0–850.0 | 350.0–550.0 | 250.0–420.0 |
| 95% CI of mean | 696.3–887.1 | 409.4–540.3 | 278.7–421.0 |
aTXA = topical intra-articular administration tranexamic acid, CI = confidence interval, sTXA = systemic administration tranexamic acid.
