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Table 3 Deviation outcomes from neutral angle

From: Midterm outcomes of electromagnetic computer-assisted navigation in minimally invasive total knee arthroplasty

 

Angle deviation from neutral angle

Percentage of knees with implant aligned within ±3° from neutral angle

 

MIS-TKA

CAS-MIS-TKA

P value

MIS-TKA (%)

CAS-MIS-TKA (%)

P value

Coronal tibiofemoral angle

0.8° varus

0.6° varus

0.61

82

91

0.16

Coronal femoral component angle

0.8° valgus

0.6° valgus

0.55

87

92

0.37

Coronal tibial component angle

0.9° varus

0.5° varus

0.25

95

92

0.44

Sagittal femoral component angle

2.9° flexion

2.6° flexion

0.08

77

85

0.26

Sagittal tibial component angle

4.8°

4.4°

0.17

80

91

0.09

  1. They were assessed by angle deviation and percentage of knees with implant aligned within ±3° from the neutral angle.