Prognostic value of the nutritional risk index in patients with newly diagnosed multiple myeloma.

"Declarations Ethical approvalOur study was approved by the institutional ethics committee of the SYSUCC. Informed consentBecause this was a retrospective study, the requirement for informed consent was waived. Conflict of interestThe authors declare no competing interests. Conflict of interest The authors declare no competing interests."

"Funding YW is supported by the National Natural Science Foundation of China (Grant No. 82100184), Natural Science Foundation of Guangdong (Grant No. 2022A1515012521), Science and Technology Planning Project of Guanzhou (Grant No. 202201010919), and Beijing Xisike Clinical Oncology Research Foundation (Y-Young2022–0281). YL is supported by Sun Yat-sen University Start-up Funding (Grant No. 201603), the Program for Guangdong Introducing Innovative and Entrepreneurial Teams (Grant No. 2017ZT07S096), and the National Natural Science Foundation of China (Grant No. 81873428)."