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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