Comprehensive assessment on the association of dietary vitamins with all-cause and cardiovascular mortality among individuals with prediabetes: evidence from NHANES 1999–2018

: Prediabetes has become a global health issue, and currently, the relationship between vitamin levels and mortality in prediabetes remains unclear. This study aims to investigate the association between the levels of eleven vitamins and all-cause and cardiovascular disease (CVD) mortality in prediabetes patients.