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Table 2 Primary outcomes of the patients between two groups

From: Multimodal Peri-articular Injection with Tranexamic Acid can reduce postoperative blood loss versus Intravenous Tranexamic Acid in Total Knee Arthroplasty: A Randomized Controlled Trial

Primary outcomes Control (n = 47) Treated (n = 46) P value
TBL (ml) 896.06 ± 248.60 641.64 ± 234.02 0.000
HBL (ml) 651.74 ± 243.74 419.85 ± 239.80 0.000
DBL (ml) 244.30 ± 60.68 221.79 ± 59.03 0.073
POD1 drainage (ml) 255.11 ± 139.82 205.33 ± 117.05 0.066
Total drainage (ml) 388.62 ± 121.36 343.59 ± 118.06 0.073
Tourniquet time (min) 82.36 ± 4.54 82.93 ± 3.21 0.485
Anesthesia time (min) 105.36 ± 4.54 104.30 ± 3.52 0.213
POD3 HGB 106.76 ± 13.78 107.41 ± 12.21 0.811
HGB decline 26.27 ± 10.17 24.09 ± 9.63 0.290
POD3 HCT (%) 30.24 ± 3.65 31.73 ± 3.52 0.048
HCT decline (%) 9.73 ± 2.42 7.39 ± 2.80 0.000
POD1 Fig 2.98 ± 0.596 3.058 ± 0.698 0.540
Fig change 0.0634 ± 0.546 0.111 ± 0.524 0.668
POD1 RBC 3.81 ± 0.41 3.84 ± 0.42 0.719
POD3 RBC 3.46 ± 0.47 3.51 ± 0.42 0.543
POD1 PLT 202.09 ± 53.87 200.98 ± 57.09 0.924
POD3 PLT 183.63 ± 50.10 182.74 ± 49.36 0.932
Transfusion (unit) 0 0  
  1. Notes: TBL total blood loss, HBL hidden blood loss, DBL dominant blood loss, HGB hemoglobin, HCT hematocrit, Fig fibrinogen, RBC red blood cell, PLT platelet, POD post-operation day