Total THR TKR RTHR
Number (n) 106 57 30 19
Gender (proportion of female %) 58 58 57 56
Age (years) 68 ± 12 67 ± 13 71 ± 9 70 ± 13
Comorbidities        
Body mass index (kg/m2) 27 ± 4 24 ± 4 28 ± 5 26 ± 4
Median ASA score (Q1;Q3) 2 (2;3) 2 (2;3) 2 (2;3) 2 (2;3)
Cardio-vascular disease history (%) 29 28 37 22
Antiplatelet agents at D-30 (%) 25 25 33 17
Anticoagulant agents at D-30 (%) 8 9 7 11
Hemoglobin level at D-1 (g/dL) 13.7 ± 1.2 13.9 ± 1.1 13.3 ± 1.0 13.6 ± 1.6
Perioperative period        
Tranexamic acid (%) 76 74 73 89
Intraoperative dose (mg/kg) 16 ± 15 15 ± 10 14 ± 9 47 ± 18
Dose per 24h (mg/kg/24h) 75 ± 25 71 ± 19 69 ± 20 102 ± 36
Fluids (intraoperative and RR, in mL) 2094 ± 747 2079 ± 646 1683 ± 549 2861 ± 782
Postoperative intravenous iron (%) 86 86 83 94
Transfusion        
Autologous transfusion (%) 0 0 0 0
Transfusion (between D0 et D+5, in %) 18 14 10 44
Number of transfused patients (n) 19 8 3 8
Median number of RBC units (Q1,Q3) 2 (2;2.5) 2 (1;2) 3 (2,5;4) 2 (2;2,75)
Mean Hb transfusional threshold (g/dL) 8.7 ± 1.1 8.8 ± 1.4 8.2 ± 1.0 8.8 ± 1.0
THR: Total Hip Replacement; TKR: Total Knee Replacement; RTHR: Revision Total Hip Replacement; ASA: American Society of Anesthesiology; RR: Recovery Room; RBC: Red Blood Cell; Hb: Hemoglobin
Table 1: Patient characteristics broken down by surgery type