Table 1.
Baseline characteristics of preoperatively anemic patients undergoing total knee arthroplasty
| TXA group | Control group | P-value | |
|---|---|---|---|
| N = 32 | N = 64 | ||
| Sex, male/female | 7/25 | 12/52 | 0.27 |
| Age, years | 67.4 ± 10.3 | 65.5 ± 7.7 | 0.96 |
| BMI, kg/m2 | 25.5 ± 3.1 | 26.2 ± 3.8 | 0.40 |
| ASA score | 1.9 ± 0.4 | 1.8 ± 0.4 | 0.42 |
| Pre-opCr, μmol/L | 65.4 ± 13.9 | 66.7 ± 9.6 | 0.58 |
| Pre-opHb, g/dL | 11.1 ± 2.6 | 11.5 ± 4.9 | 0.17 |
| Pre-opHCT | 0.338 ± 0.027 | 0.341 ± 0.019 | 0.16 |
| Tourniquet time, min | 84.7 ± 26.3 | 77.7 ± 27.7 | 0.26 |
| Charlson score | 3.00 ± 0.76 | 3.00 ± 1.49 | 1.00 |
Values given as average ± standard deviation, unless otherwise specified
TXA tranexamic acid, BMI body mass index, ASA Society of Anesthesiologists, Pre-opCr preoperative levels of creatinine, Pre-opHb preoperative levels of hemoglobin, Pre-opHCT preoperative levels of hematocrit