Table 2.
Variables | TXA study group (n = 37) | NS study group (n = 40) | P value |
---|---|---|---|
Surgical blood loss (mL) | 128.85 ± 123.18 | 98.30 ± 59.10 | 0.31 |
Postoperative day 2 drainage. (mL) | 89.50 ± 44.77 | 89.73 ± 33.30 | 0.98* |
Hemoglobin preop. (g/L) | 109.50 ± 15.07 | 112.15 ± 13.31 | 0.51* |
Hemoglobin postop. day 1 (g/L) | 102.70 ± 13.18 | 115.27 ± 60.93 | 0.37* |
Hemoglobin postop. day 3 (g/L) | 101.05 ± 11.91 | 100.30 ± 12.54 | 0.83* |
Hematocrit preop. (%) | 32.63 ± 4.28 | 33.79 ± 3.83 | 0.31* |
Hematocrit postop. day 1 (%) | 30.53 ± 3.81 | 31.15 ± 3.80 | 0.56* |
Hematocrit postop. day 3(%) | 30.23 ± 3.23 | 29.34 ± 5.87 | 0.54 |
Estimated visible RBC loss day 3 (mL) | 69.26 ± 44.77 | 58.55 ± 22.10 | 0.33* |
Transfusion rate (%) | 11/39 (28.20%) | 23/41 (56.09%) | 0.01† |
Transfusion units (U) | 24 | 56 | |
Estimated total RBC loss day 3 (mL) | 279.35 ± 209.11 | 417.89 ± 289.56 | 0.049* |
Estimated hidden RBC loss day 3 (mL) | 210.09 ± 202.14 | 359.35 ± 290.12 | 0.049* |
*Two-sided Student’s t test; †chi-squared test; TXA tranexamic acid, NS normal-saline