Skip to main content

Table 2 Radiographic outcomes between iAssist (ABN) group and conventional (CON) group

From: The accelerometer-based navigation system demonstrated superior radiological outcomes in restoring mechanical alignment and component sagittal positioning in total knee arthroplasty

 

ABN group (n = 24)

CON group (n = 78)

P value

MA value

0.32 ± 2.17

1.74 ± 3.38

0.019*

MA absolute deviation

1.85 ± 1.12

2.97 ± 2.36

0.058

MA within ±3° (n, %)

23 (95.8%)

51 (65.4%)

0.003*

FCA value

89.75 ± 2.22

91.66 ± 3.09

0.006*

FCA absolute deviation

1.66 ± 1.45

2.56 ± 2.38

0.145

FCA within 90 ± 3° (n, %)

22 (91.7%)

53 (67.9%)

0.021*

TCA value

89.53 ± 1.76

89.99 ± 1.82

0.287

TCA absolute deviation

1.38 ± 1.15

1.47 ± 1.07

0.507

TCA within 90 ± 3° (n, %)

22 (91.7%)

74 (94.9%)

0.624

FSA value

88.79 ± 1.90

87.69 ± 4.18

0.311

FSA absolute deviation

2.10 ± 1.49

3.37 ± 6.60

0.020*

FSA within 87 ± 3° (n, %)

18 (75.0%)

41 (52.6%)

0.042*

TSA value

83.22 ± 2.27

85.64 ± 3.50

< 0.001*

TSA absolute deviation

1.89 ± 1.21

3.39 ± 2.77

0.048*

TSA within 83 ± 3° (n, %)

21 (87.5%)

47 (60.3%)

0.013*

  1. Abbreviations: MA Mechanical axis (optimal value = 0°, valgus = negative, varus = positive), FCA Femoral coronal angle (optimal value = 90°), TCA Tibial coronal angle (optimal value = 90°), FSA Femoral sagittal angle (optimal value = 87°), TSA Tibial sagittal angle (optimal value = 83°)
  2. P value < 0.05 were strengthened by *
Back to article page

BMC Musculoskeletal Disorders

ISSN: 1471-2474

Contact us