Skip to main content

Table 2 Medial and lateral gaps, varus-valgus angle, and tibial anterior and posterior translations per knee flexion angle and stage

From: Medial soft tissue release is also related to the anterior stability of cruciate-retaining total knee arthroplasty: a cadaveric study

  

Stage 1

Stage 2

Stage 3

P-value

Post hoc multiple comparison

  

1 versus 2

2 versus 3

1 versus 3

Medial gap (mm)

0°

9.3 ± 1.2

9.0 ± 1.3

12.5 ± 3.0

0.002*

0.582

0.033

0.033

45°

12.1 ± 2.7

14.0 ± 2.4

18.3 ± 5.4

0.026*

0.252

0.118

0.082

90°

12.5 ± 3.3

13.0 ± 3.4

20.2 ± 6.1

0.048†

0.827

0.083

0.018

Lateral gap (mm)

0°

11.5 ± 0.8

10.7 ± 2.0

12.1 ± 1.7

0.119*

   

45°

12.9 ± 1.5

15.3 ± 2.4

16.0 ± 3.4

0.067*

   

90°

16.3 ± 5.5

16.4 ± 4.1

18.8 ± 5.3

0.109*

   

Varus-valgus angle (°)

0°

−3.5 ± 1.0

−2.7 ± 2.6

0.8 ± 3.6

0.025*

0.418

0.121

0.046

45°

−2.9 ± 1.9

−2.2 ± 3.8

4.2 ± 7.2

0.042*

0.626

0.171

0.171

90°

−6.0 ± 3.3

−5.5 ± 4.2

2.5 ± 6.4

0.049*

0.610

0.074

0.071

Anterior translation (mm)

0°

3.1 ± 1.2

4.7 ± 2.4

7.4 ± 6.9

0.227*

   

45°

10.6 ± 4.8

10.7 ± 5.3

19.0 ± 12.6

0.093*

   

90°

9.8 ± 4.4

13.1 ± 4.1

21.3 ± 6.1

0.005*

0.342

0.043

0.004

Posterior translation (mm)

0°

3.4 ± 4.4

−0.8 ± 1.2

−0.3 ± 0.5

0.129†

   

45°

2.0 ± 2.0

−3.9 ± 2.9

−3.8 ± 4.8

0.311†

   

90°

3.0 ± 0.3

−4.4 ± 3.8

−4.3 ± 4.4

0.821*

   
  1. Data are presented as mean ± standard deviation. Bold texts indicate statistically significant difference
  2. *One-way repeated measures analysis of variance
  3. †Friedman’s test