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Table 1 The mean difference between pre-operative planning and post-operative component’s coronal and sagittal alignment

From: Comparison of post-operative three-dimensional and two-dimensional evaluation of component position for total knee arthroplasty

  

3D evaluation

2D evaluation

p value

Femoral component

Coronal alignment (°)

1.6 ± 1.4

1.8 ± 1.2

0.083

 

(0.03–7.48)

(0–6.0)

 

Sagittal alignment (°)

2.6 ± 1.8

1.9 ± 1.5

0.013

 

(0.02–6.59)

(0–8.01)

 

Tibial component

Coronal alignment (°)

2.2 ± 1.8

1.3 ± 1.2

0.003

 

(0.03–6.54)

(0–5.01)

 

Sagittal alignment (°)

3.2 ± 2.4

1.8 ± 1.4

< 0.001

 

(0.05–9.21)

(0–6.0)

 
  1. Values are presented as mean ± standard deviation (minimum to maximum). The statistical significance was set at p < 0.05
  2. 3D three-dimensional, 2D two-dimensional