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Table 3 Prosthetic movement in the model expressed in six DOF (translation is expressed with respect to the centroid of the prosthetic landmark group) (n = 105)

From: A CT method for following patients with both prosthetic replacement and implanted tantalum beads: preliminary analysis with a pelvic model and in seven patients

   Rotation (degrees) Translation (mm)
   x y z x y z
120 kVp, trial 1 Mean 0.02 0.00 0.02 0.00 −0.06 −0.02
  Median 0.01 −0.03 0.03 0.00 0.05 −0.02
  Minimum −0.45 −0.49 −0.49 −0.11 −0.27 −0.11
  Maximum 0.53 0.59 0.61 0.12 0.17 0.10
  SD 0.17 0.22 0.26 0.05 0.07 0.05
  95 % CI, upper 0.05 0.04 0.07 0.01 −0.04 −0.01
  95 % CI, lower −0.02 −0.04 −0.03 −0.01 −0.07 −0.03
120 kVp, trial 2 Mean 0.01 0.00 0.02 −0.01 −0.06 −0.02
  Median 0.02 −0.04 0.03 0.00 −0.08 −0.02
  Minimum −0.46 −0.47 −0.48 −0.11 −0.27 −0.11
  Maximum 0.51 0.56 0.57 0.11 0.17 0.10
  SD 0.17 0.21 0.26 0.05 0.07 0.04
  95 % CI, upper 0.5 0.04 0.7 0.00 −0.04 −0.01
  95 % CI, lower −0.02 −0.04 −0.03 −0.02 −0.07 −0.03
100 kVp, trial 1 Mean 0.07 0.06 0.08 0.02 −0.05 −0.02
  Median 0.06 0.02 0.09 0.03 −0.04 −0.03
  Minimum −0.56 −0.59 −0.60 −0.11 −0.20 −0.20
  Maximum 0.61 0.85 0.72 0.15 0.12 0.20
  SD 0.25 0.27 0.27 0.06 0.07 0.08
  95 % CI, upper 0.12 +0.11 0.13 0.04 −0.3 −0.01
  95 % CI, lower 0.02 0.01 0.03 0.01 −0.06 −0.03
100 kVp, trial 2 Mean 0.07 0.06 0.07 0.02 −0.05 −0.02
  Median 0.04 0.03 0.08 0.03 −0.06 −0.2
  Minimum −0.60 −0.59 −0.62 −0.13 −0.21 −0.19
  Maximum 0.83 0.58 0.72 0.16 0.12 0.20
  SD 0.26 0.27 0.28 0.07 0.07 0.08
  95 % CI, upper 0.12 0.11 0.12 0.04 −0.04 −0.01
  95 % CI, lower 0.02 0.01 0.01 0.01 −0.07 −0.04