Associations of the NPAR index with breast cancer incidence and mortality based on the National Health and Nutrition Examination Survey (NHANES) 2001-2018: a cross-sectional study

NPAR emerged as a crucial biomarker in BC risk assessment. This study suggests that NPAR may serve as a dual-purpose biomarker for both BC risk evaluation and prognostic assessment, potentially aiding in early screening and personalized treatment strategies.