Correlation of R2* with fat fraction and bone mineral density and its role in quantitative assessment of osteoporosis.

"Declarations GuarantorThe scientific guarantor of this publication is Prof. Yonghong Jiang. Conflict of interestThe authors declare that they have no conflict of interest. Statistics and biometryNo complex statistical methods were necessary for this paper. Informed consentWritten informed consent was obtained from all patients. Ethical approvalThe study was approved by the ethics committee of Honghui Hospital Affiliated Xi’an Jiaotong University (IRB No. 201902068) Methodology• prospective• diagnostic or prognostic study• performed at one institution Conflict of interest The authors declare that they have no conflict of interest."

"Funding This work was supported by Shaanxi Provincial Key R & D Plans (2021SF-240) and Shaanxi Provincial Key Research and Development Program (2020GXLH-Y-027). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."