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Table 1 Baseline characteristics and perioperative demographics

From: Intravenous and subsequent long-term oral tranexamic acid in enhanced-recovery primary total knee arthroplasty without the application of a tourniquet: a randomized placebo-controlled trial

Variable

Group A (N = 60)

Group B (N = 58)

P value

Patient characteristics

 Age (year)b

63.0 ± 13.9

64.1 ± 9.3

0.62

 Gender (male/female) a

15/45

11/47

0.43

 Height (m)b

1.5 ± 0.06

1.6 ± 0.07

0.07

 Weight (kg)b

60.9 ± 10.7

62.3 ± 10.4

0.46

 BMI (kg/m2)b

25.7 ± 5.0

25.5 ± 3.9

0.79

 ASA classificationb

2.1 ± 0.3

2.1 ± 0.4

0.53

 Operated side (L/R) a

26/34

31/27

0.27

 PBV (L)b

3.5 ± 0.4

3.6 ± 0.5

0.19

 Caprini scoresb

5.1 ± 2.5

5.6 ± 2.6

0.46

Preoperative laboratory values

 Hemoglobin (g/L)b

130.5 ± 13.7

128.3 ± 13.2

0.36

 Hematocrit (%)b

39.1 ± 3.7

38.7 ± 3.7

0.55

 Platelet count (× 109/L)b

182.7 ± 55.2

179.1 ± 45.5

0.73

 Albumin (g/L)b

42.0 ± 6.1

43.0 ± 3.2

0.28

 FDP (mg/L)b

3.1 ± 2.5

2.9 ± 2.4

0.70

 D-Dimer (mg/L)b

1.0 ± 1.4

1.2 ± 1.4

0.46

 PT (s)b

11.4 ± 0.7

11.3 ± 1.0

0.62

Surgical data

 Operative time (min)b

62.9 ± 13.1

63.6 ± 12.4

0.56

Preoperative knee function

 ROM (°)b

98.0 ± 22.4

96.6 ± 17.4

0.71

 KSS clinical scoreb

35.8 ± 14.4

36.2 ± 15.8

0.89

 KSS function scoreb

42.4 ± 11.6

41.2 ± 10.1

0.57

 Knee circumference (cm)b

41.1 ± 4.0

41.4 ± 3.5

0.58

 VAS pain scoreb

5.4 ± 1.4

5.8 ± 1.5

0.10

  1. aThe values are given as the number of patients
  2. bThe values are presented as the mean and the standard deviation