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Table 3 The postoperative radiographic outcomes of the cTKA and iTKA groups

From: Usefulness of an accelerometer-based navigation system in bilateral one-stage total knee arthroplasty

Variables

cTKA group

(N = 57)

iTKa group

(N = 44)

p value

Mechanical axis

2.29o ± 0.81

1.79o ± 0.85

< 0.01*

MA outlier

21.93%

7.95%

0.01*

CFA

91.74o ± 1.99

90.60o ± 1.98

< 0.01*

CFA outlier

27.19%

11.36%

0.01*

CTA

87.77o ± 1.79

89.18o ± 1.85

< 0.01*

CTA outlier

25.44%

10.23%

0.01*

SFA

89.28o ± 2.68

90.54o ± 2.44

< 0.01*

SFA outlier

21.05%

20.45%

1.00*

STA

83.40o ± 3.32

85.39o ± 2.60

< 0.01*

STA outlier

44.74%

21.59%

< 0.01*

  1. Data are presented with mean ± SD except all outliers
  2. MA mechanical axis, CFA coronal femoral component angle, CTA coronal tibial component angle, SFA sagittal femoral component angle, STA sagittal tibial component angle or tibial slope
  3. * = statistically significant (p < 0.05)