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Table 2 Coronal alignment of femoral and tibial components

From: Patient-specific instrumentation for total knee arthroplasty improves reproducibility in the planned rotational positioning of the tibial component

 

PSI group (n = 50)

Conventional group (n = 50)

p value

Mean value

   

 α angle

88.8 ± 2.0

89.2 ± 2.1

0.16

 β angle

90.1 ± 2.4

88.9 ± 1.9

0.83

Outliers out of ± 3°

   

 α angle

9 (18%)

6 (12%)

0.40

 β angle

6 (12%)

10 (20%)

0.28

  1. Values are number (percentage) or mean ± standard deviation
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X