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Table 1 Migration measured using MBRSA and the both RE models ATOS II and ATOS I respectively using the relative prothessis bone motion protocol (N = 10)

From: Dependence of model-based RSA accuracy on higher and lower implant surface model quality

 

Model

 

In-plane

Out-of-plane

In-plane

   

x [mm]

y [mm]

z [mm]

Rx [deg]

Ry [deg]

Rz [deg]

TIBIA

ATOS II

Bias

.037

-.005

.048

.028

.007

.029

 

ATOS I

 

.037

-.005

.024

.032

-.052

.035

 

ATOS II

SD

.022

.019

.032

.047

.123

.028

 

ATOS I

 

.023

.019

.030

.044

.187

.025

FEMUR

ATOS II

Bias

.032

-.001

-.042

-.055

-.060

.020

 

ATOS I

 

.030

-.004

-.018

-.055

-.046

.011

 

ATOS II

SD

.028

.012

.037

.033

.029

.036

 

ATOS I

 

.028

.013

.027

.026

.028

.019

HIP 1

ATOS II

Bias

.012

-.017

-.025

-.030

-.449

.026

 

ATOS I

 

.013

-.015

.015

-.035

.078

.029

 

ATOS II

SD

.026

.023

.036

.038

.354

.015

 

ATOS I

 

.025

.018

.058

.046

.298

.016

HIP 2

ATOS II

Bias

.021

-.007

-.017

-.079

-.138

.029

 

ATOS I

 

.024

-.003

-.048

-.041

-.057

.034

 

ATOS II

SD

.036

.018

.073

.110

.204

.051

 

ATOS I

 

.047

.014

.181

.099

.330

.058

  1. ATOS II data results out of a previois study using the same migration measurement protocol and measurement set-up for comparison[38]