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Table 1 Baseline characteristics of preoperatively anemic patients undergoing total knee arthroplasty

From: The value of tranexamic acid for patients with preoperative anemia in primary total knee arthroplasty

 

TXA group

Control group

P-value

N = 32

N = 64

Sex, male/female

7/25

12/52

0.27

Age, years

67.4 ± 10.3

65.5 ± 7.7

0.96

BMI, kg/m2

25.5 ± 3.1

26.2 ± 3.8

0.40

ASA score

1.9 ± 0.4

1.8 ± 0.4

0.42

Pre-opCr, μmol/L

65.4 ± 13.9

66.7 ± 9.6

0.58

Pre-opHb, g/dL

11.1 ± 2.6

11.5 ± 4.9

0.17

Pre-opHCT

0.338 ± 0.027

0.341 ± 0.019

0.16

Tourniquet time, min

84.7 ± 26.3

77.7 ± 27.7

0.26

Charlson score

3.00 ± 0.76

3.00 ± 1.49

1.00

  1. Values given as average ± standard deviation, unless otherwise specified
  2. TXA tranexamic acid, BMI body mass index, ASA Society of Anesthesiologists, Pre-opCr preoperative levels of creatinine, Pre-opHb preoperative levels of hemoglobin, Pre-opHCT preoperative levels of hematocrit