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Table 7 Effect of TXA and other variables on total blood loss, 24-hour drain output, and postoperative length of stay, adjusted for other covariates. TKA

From: Tranexamic acid lowers transfusion requirements and hospital length of stay following revision total hip or knee arthroplasty

Variable

Regression Coefficient (Unadjusted)

p

Regression Coefficient (Adjusted)

p

Total Blood Loss

TXA

-30.56

.189

-49.2

.092

Age

-0.97

.419

-0.85

.502

BMI

2.46

.156

2.34

.239

ASA Class

-27.22

.247

-39.44

.127

Preop Hb

-1.24

.839

1.29

.845

Female sex

17.8

.448

24.80

.350

24h drain output

TXA

-45.64

.523

-82.50

.326

Age

-1.50

.651

0.14

.969

BMI

1.93

.721

3.62

.529

ASA Class

-34.26

.579

-62.52

.400

Preop Hb

24.66

.166

25.56

.188

Female sex

-119.40

.088

-98.36

.204

Postoperative length of stay

TXA

-1.24

0.001

-1.06

0.005

Age

0.00

0.840

-.01

0.652

BMI

0.07

0.005

.06

0.020

ASA Class

0.24

0.384

-.04

0.888

Preop Hb

-0.08

0.321

-.03

0.686

Female sex

0.21

0.564

-.08

0.806