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Table 2 The difference of all parameters between each pair of generating techniques

From: Precision of computed tomography and cartilage-reproducing image reconstruction method in generating digital model for potential use in 3D printing of patient-specific radial head prosthesis: a human cadaver study

  Diameter along coronal plane (mm) Diameter along sagittal plane (mm) Thickness at medial rim (mm) Thickness at lateral rim (mm) Articular disc depth (mm) Overall geometry (mm)
Difference mean ± SD (range) mean ± SD (range) mean ± SD (range) mean ± SD (range) mean ± SD (range) mean ± SD (range)
3Dmodel-CTA vs. 3Dmodel-CT 0.99±0.4 (0.55–1.55) 0.88±0.55 (0.14–1.69) 1.07±0.60 (0.50–2.18) 0.96±0.61 (0.19–2.08) 0.40±0.20 (0.11–0.63) 0.51±0.24 (0.22–0.89)
3Dmodel-CTA vs. 3Dmodel-CIRM 0.19±0.33 (− 0.20–0.74) 0.33±0.55 (− 0.07–0.90) 0.24±0.39 (− 0.11–1.01) 0.12±0.39 (− 0.27–0.8) 0.28±0.20 (0.08–0.69) 0.24±0.10 (0.14–0.40)
3Dmodel-CIRM vs. 3Dmodel-CT 0.8±0.21 (0.51–1.08) 0.55±0.24 (0.21–1.01) 0.83±0.27 (0.58–1.20) 0.84±0.27 (0.37–1.28) 0.12±0.18 (− 0.12–0.41) 0.44±0.12 (0.27–0.60)
  1. 3Dmodel-CTA 3D model from CT arthrography, 3Dmodel-CT 3D model from CT scan, 3Dmodel-CIRM 3D model from cartilage-reproducing image reconstruction method