Table 2 Primary and secondary outcomes regarding laboratory values and clinical outcomes after surgery
Variable | Group A | Group B | P value |
|---|---|---|---|
Primary outcomes | |||
 Total blood loss (mL)b | 671.7 ± 352.7 | 915.8 ± 243.4 | 0.001 |
Secondary outcomes | |||
  Postoperative transfusion | |||
 Patients requiring transfusion | 2 (3.33%) | 2 (3.45%) | 0.44 |
 Units transfused (IU) | 3.5 | 4 | NA |
 Postop. laboratory values | |||
 Hemoglobin (g/L)b | |||
POD 1 | 115.3 ± 13.9 | 117.1 ± 11.6 | 0.55 |
POD 3 | 106.0 ± 10.9 | 99.7 ± 8.4 | 0.001 |
POD 14 | 123.8 ± 10.3 | 121.3 ± 8.1 | 0.13 |
 Hematocrit (%)b | |||
POD 1 | 35.1 ± 4.2 | 35.7 ± 3.2 | 0.43 |
POD 3 | 32.3 ± 2.9 | 30.0 ± 2.5 | 0.001 |
POD 14 | 37.0 ± 4.5 | 36.4 ± 4.6 | 0.45 |
 FDP (mg/L)b | |||
POD 1 | 13.7 ± 7.8 | 24.9 ± 11.3 | 0.001 |
POD 3 | 6.9 ± 3.4 | 12.0 ± 10.0 | 0.001 |
POD 14 | 4.4 ± 2.5 | 5.2 ± 2.4 | 0.083 |
 D-Dimer (mg/L)b | |||
POD 1 | 4.6 ± 2.2 | 8.4 ± 8.0 | 0.001 |
POD 3 | 1.5 ± 1.1 | 3.3 ± 2.1 | 0.001 |
POD 14 | 1.2 ± 0.9 | 1.3 ± 0.5 | 0.22 |
Postop. knee function | |||
 ROM (°)b | |||
POD 1 | 99.7 ± 11.8 | 100.1 ± 11.7 | 0.58 |
POD 3 | 108.1 ± 4.9 | 107.4 ± 5.2 | 0.44 |
POD 14 | 110.9 ± 8.9 | 108.2 ± 9.4 | 0.11 |
PO 3 M | 114.0 ± 7.0 | 113.7 ± 9.5 | 0.82 |
 KSS clinical scoreb | |||
POD 3 | 48.2 ± 8.9 | 45.6 ± 8.5 | 0.32 |
POD 14 | 77.3 ± 6.4 | 75.2 ± 9.1 | 0.15 |
PO 3 M | 82.8 ± 5.5 | 82.5 ± 4.3 | 0.73 |
 KSS function scoreb | |||
POD 3 | 44.5 ± 10.6 | 43.1 ± 10.2 | 0.27 |
POD 14 | 68.6 ± 8.1 | 69.5 ± 8.4 | 0.53 |
PO 3 M | 75.5 ± 5.6 | 76.7 ± 5.3 | 0.25 |
 Knee circumference (cm)b | |||
POD 1 | 42.0 ± 3.7 | 43.8 ± 3.3 | 0.06 |
POD 3 | 43.1 ± 1.9 | 46.1 ± 3.7 | 0.001 |
POD 14 | 41.4 ± 2.9 | 44.9 ± 2.2 | 0.001 |
PO 3 M | 41.1 ± 3.2 | 41.6 ± 3.0 | 0.28 |
 VAS pain scoreb | |||
POD 1 | 3.8 ± 1.5 | 4.2 ± 2.0 | 0.26 |
POD 3 | 2.7 ± 0.8 | 2.9 ± 0.7 | 0.11 |
POD 14 | 2.2 ± 1.0 | 2.0 ± 0.8 | 0.32 |
PO 3 M | 0.7 ± 0.9 | 0.6 ± 0.8 | 0.35 |
 Hospital stay (day)b | 3.7 ± 1.2 | 4.0 ± 0.9 | 0.15 |