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Table 1 Precision of radiostereometric analysis for assessment of stem migration

From: Effect of symmetrical restoration for the migration of uncemented total hip arthroplasty: a randomized RSA study with 75 patients and 5-year follow-up

Axis

Translation (mm)*

Rotation (°)*

Transverse (x)

0.23

0.46

Longitudinal (y)

0.18

1.14

Sagittal (z)

0.30

0.24

  1. *Precision of measurements based on 75 double investigations. Given number represents the smallest migration value that is considered significant and is based on 2 standard deviations of the error obtained. This, hence, represents the 95% confidence limit
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X