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Table 4 PBV after treatment and blood transfusion rate before treatment of the three groups

From: Effectiveness of different antithrombotic agents in combination with tranexamic acid for venous thromboembolism prophylaxis and blood management after total knee replacement: a prospective randomized study

Group

n

PBV after treatment (ml, SD)

Blood transfusion rate before treatment (n, %)

Group 1

60

4381.9 ± 838.1

4 (6.7)

Group 2

60

4376.2 ± 759.2

12 (20.0)*

Group 3

60

4429.4 ± 711.4

3 (5.0)â–²

F/χ2

–

0.0

8.5

P

–

0.9

0.01

  1. * Compared with Group 1, P = 0.01; ▲ Compared with Group 2, P = 0.01; SD Standard deviation