Investigation of perioperative safety and clinical results of one-stage bilateral total knee arthroplasty in selected low-risk patients

Table 3 Blood examination, blood loss, and blood transfusion data

Parameter	n = 67
Hb (g/dl)
Preoperative	12.8 ± 1.1^a
POD 1	11.0 ± 1.1^a
POD 7	10.2 ± 1.3^a
POD 14	10.6 ± 1.1^a
POD 21	10.8 ± 1.1 (n = 66)^a
Postoperative CRP (mg/dl)
POD 7	3.4 ± 1.7^a
POD 14	1.7 ± 1.5^a
POD 21	1.0 ± 1.2 (n = 66)^a
D-dimer level 7 days after surgery (μg/ml)	13.4 ± 6.1 (n = 65)
Blood loss (ml)
Drained	617.3 ± 362.6
Total	1139.5 ± 365.7
Transfusions
Transfusion rate (%)	95.5
Autologous (ml)	310.4 ± 168.0
Allogeneic (units)	0.4 ± 0.8
Amount of Hb (g)	51.7 ± 10.2

ISSN: 1749-799X