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Table 1 Precision based on the 0° rotation double-exams (n = 14)

From: The effect of forearm rotation on radiographic measurements of the wrist: an experimental study using radiostereometric analyses on cadavers

 

Xt (mm)

Yt (mm)

Zt (mm)

Xr (°)

Yr (°)

Zr (°)

Standard deviation

0.03

0.01

0.04

0.13

0.09

0.13

Precision

0.06

0.02

0.09

0.28

0.19

0.28

  1. n Number of double-exams, XYZr Rotation (degrees), XYZt Translation (mm). XYZ are axes in the three-dimensional coordinate system as depicted in Fig. 3. Precision = standard deviation × 0.975 t quantile