Table 2: Blood loss, hematologic data,

and allogeneic blood transfusions.

Total knee arthroplasty

Control

group

N = 80

Tranexamic

acid group

N = 68

p*

Preoperative Hb

13.36 ± 1.43

13.54 ± 1.26

POD 1 Hb

10.44 ± 1.46

11.83 ± 1.18

≤ 0.001

Hb Reduction

2.92 ± 0.93

1.71 ± 0.82

Packed RBC transfusions

23 PC

2 PC

≤ 0.001

1 PC, (patients)

9

2

2 PC, (patients)

4

3 PC, (patients)

1

Non-risk vs

previous VTE PC

consumption, (patients)

(5 vs 9)

(2 vs 0)

Post-op complications

2

(pulmonary

embolism)

Non

Total hip arthroplasty

Control

group

N = 84

Tranexamic

acid group

N = 50

p*

Preoperative Hb

13.11 ± 1.22

13.49 ± 1.55

POD 1 Hb

10.34 ± 1.23

11.31 ± 1.39

≤ 0.001

Hb Reduction

2.76 ± 0.88

2.179 ± 1.08

Packed RBC transfusions

17 PC

2

≤ 0.001

1 PC, (patients)

10

2

2 PC, (patients)

2

3 PC, (patients)

1

Non-risk vs.

previous VTE PC

consumption, (patients)

(9 vs. 4)

(2 vs. 0)

Post-op complications

Non

Non

* p-values.

Mean ± standard deviation.

PC = packed cells.

POD 1 Hb = post-operative day one hemoglobin.

RBC = red blood cells.

VTE = venous thromboembolism.