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Table 1 Quantiles of % change of SUVmean around prostheses by MAR CT

From: Quantitative Effect of Metal Artefact Reduction on CT-based attenuation correction in FDG PET/CT in patients with hip prosthesis

Region Acetabulum Lat_neck Med_neck Shaft Lat_diaph Med_diaph
Minimum  − 2.36  − 0.98  − 2.52  − 8.33  − 3.57 0.00
5% quantile  − 1.39  − 0.72 2.23  − 6.16  − 1.54 0.00
25% quantile 0.00 1.83 4.08  − 2.88 0.00 0.75
50% quantile 1.43 4.04 7.84 0.00 1.53 1.42
75% quantile 4.21 7.81 12.37 0.00 3.20 2.75
95% quantile 11.86 11.39 33.73 6.34 7.21 6.70
Maximum 17.39 15.24 44.93 8.16 14.76 13.83
2-sided p§ *** *** *** *† *** ***
Lower limit¶ 0.65 3.13 5.11  − 1.82 1.14 1.13
  1. The table gives the quantiles of the percentual change of SUVmean (in g/ml) in various regions around the prostheses induced by the use of MAR CT for PET attenuation correction
  2. lat_neck lateral neck region; med_neck medial neck region; lat_diaph lateral diaphysis region; med_diaph medial diaphysis region)
  3. §on sign test. * = p < 0.05; ** = p < 0.01; *** = p < 0.001
  4. and lower than 0, whereas in all other regions the median was higher than 0
  5. of one-sided 95% confidence interval