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Table 2 Comparison between groups based on squatting and kneeling of HF activitiesa

From: Performing high flexion activities does not seem to be crucial in developing early femoral component loosening after high-flexion TKA

 

HF group (n = 122)

Non-HF group (n = 123)

p value

Preoperative

 Age (years)

69.6 ± 6.4

70.2 ± 5.4

0.386

 BMI(kg/m2)

26.8 ± 2.4

27.2 ± 3.1

0.260

 Maximum flexion

124.1 ± 14.7

121.5 ± 15.3

0.162

 KSKS

50.1 ± 12.1

48.6 ± 11.5

0.316

 KSFS

58.3 ± 12.5

56.1 ± 12.2

0.155

 WOMAC

42.4 ± 8.3

43.8 ± 11.5

0.203

Postoperative

 Maximum flexion

141.9 ± 7.5

136.1 ± 8.2

<0.001

 KSKS

92.4 ± 2.6

90.5 ± 3.7

<0.001

 KSFS

96.2 ± 4.6

93.1 ± 4.6

<0.001

 WOMAC

8.8 ± 2.7

13.9 ± 3.8

<0.001

  1. HF high flexion, BMI body mass index, KSKS Knee Society knee score, KSFS Knee Society function score, WOMAC Western Ontario and McMaster Universities osteoarthritis index
  2. aData are given as mean (SD)