Additional file 1 of Image quality and metal artifact reduction in total hip arthroplasty CT: deep learning-based algorithm versus virtual monoenergetic imaging and orthopedic metal artifact reduction

Additional file 1: Supplemental materials 1. Three examples (a-c) of placement of regions of interest (ROI) in the bladder (ROI 1), muscle (ROI 2) and fat (ROI 3). Supplemental materials 2A. P-values for pairwise comparisons of the reconstructed images for image quality. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 2B. P-values for pairwise comparisons of the reconstructed images for diagnostic confidence for bone structures.*statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 2C. P-values for pairwise comparisons of the reconstructed images for diagnostic confidence for pelvic organs.*statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 2D. P-values for pairwise comparisons of the reconstructed images for diagnostic confidence for soft tissue adjacent to the prosthesis. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 2E. P-values for pairwise comparisons of the reconstructed images for metal artifacts. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 3A. P-values for pairwise comparisons of Hounsfield units in bladder. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 3B. P-values for pairwise comparisons of Hounsfield units in muscle. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 3C. P-values for pairwise comparisons of Hounsfield units in fat. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 3D. P-values for pairwise comparisons of noise as the standard deviation in Hounsfield units in bladder. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 3E. P-values for pairwise comparisons of noise as the standard deviation in Hounsfield units in muscle. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction. Supplemental materials 3F. P-values for pairwise comparisons of noise as the standard deviation in Hounsfield units in fat. *statistically significant after Holm-Bonferroni correction. Abbreviations: keV: kiloelectron volt, O-MAR: orthopedic metal artifact reduction, DL-MAR: deep learning based metal artifact reduction.