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• W3164113485 abstract "Abstract Objective: To evaluate the role of three-dimensional Fat Analysis & Calculation Technique sequence in improving the diagnostic accuracy for the detection of osteopenia and osteoporosis by simultaneous quantification of proton density fat fraction (PDFF) and fat-corrected R2 ∗ . Methods: Fat Analysis & Calculation Technique imaging of lumbar spine was obtained in 99 postmenopausal women including 52 normal bone mass, 29 osteopenia, and 18 osteoporosis. The diagnostic performance of PDFF and R2 ∗ in the differentiation of different bone-density groups was evaluated with the receiver operating characteristic curve. Results: The reproducibility of PDFF and R2 ∗ measures was satisfactory with the root mean square coefficient of variation, 2.16% and 2.70%, respectively. The intra- and interobserver agreements for the PDFF and R2 ∗ were excellent with the intraclass correlation coefficient > 0.9 for all. There were significant differences in PDFF and R2 ∗ among the three groups ( P < 0.05). Bone density had a moderate inverse correlation with PDFF ( r = −0.659) but a positive association with R2 ∗ ( r = 0.508, P < 0.001). Adjusted for age, years since menopause and body mass index, odds ratios (95% confidence interval) for osteopenia and osteoporosis per standard deviation higher marrow PDFF and R2 ∗ were 2.9 (1.4-5.8) and 0.4 (0.2-0.8), respectively. The areas under the curve were 0.821 for PDFF, 0.784 for R2 ∗ , and 0.922 for both combined for the detection of osteoporosis ( P < 0.05). Similar results were obtained in distinguishing osteopenia from healthy controls. Conclusions: Simultaneous estimation of marrow R2 ∗ and PDFF improves the discrimination of osteopenia and osteoporosis in comparison with the PDFF or R2 ∗ alone." @default.
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• W3164113485 date "2021-05-24" @default.
• W3164113485 modified "2023-10-12" @default.
• W3164113485 title "Adding marrow R2∗ to proton density fat fraction improves the discrimination of osteopenia and osteoporosis in postmenopausal women assessed with 3D FACT sequence" @default.
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• W3164113485 doi "https://doi.org/10.1097/gme.0000000000001799" @default.
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