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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)