A fully automated workflow for image-based quality assessment (QA) was set up in a large, multi-center cohort whole-body MR imaging study, part of the National Cohort Study Germany NAKO. Study design, data management, workflow, and objectives have been described previously. Standardized quality assessment including technical aspects like program and protocol parameter truth, as well as image-based estimates of various quality indices demonstrate a high degree of stability and homogeneity of image quality across the 5 contributing MR centers. Furthermore, QA ensures short-term intervention procedures with respect to quality control, and offer valuable quantitative information for subsequent scientific data evaluation.
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