Table 2 Blood loss and other parameters for patients who underwent TKA with or without tourniquet use
Tourniquet | Non-tourniquet | P value | |
|---|---|---|---|
Hemoglobin level changes (g/L) | |||
Postoperative day 1 | 95.58 ± 12.49 | 91.26 ± 13.33 | 0.24 (ANOVA) |
Postoperative day 3 | 83.68 ± 13.63 | 83.06 ± 12.44 | 0.86 (ANOVA) |
Postoperative day 7 | 89.01 ± 11.39 | 86.36 ± 12.21 | 0.43 (ANOVA) |
Postoperative day 14 | 97.29 ± 8.91 | 93.05 ± 11.08 | 0.14 (ANOVA) |
Drainage(ml) | 387.08 ± 247.75 | 345.22 ± 138.49 | 0.48 (t-test) |
Calculated blood loss (ml) | 1369.02 ± 563.72 | 1451.44 ± 347.80 | 0.54 (t-test) |
Total blood loss (ml) | 1529.02 ± 735.37 | 1599.44 ± 450.27 | 0.69 (t-test) |
Blood transfusion rate | 8/25 | 7/25 | 0.76 (Chi-square test) |
Blood transfusion(ml) | 550.00 ± 434.25 | 528.57 ± 170.43 | 0.90 (t-test) |
Operation time (min) | 99.08 ± 13.72 | 92.28 ± 10.76 | 0.06 (t-test) |