https://www.cdc.gov/nchs/hus/spotlight/HeartDiseaseSpotlight_2019_0404.pdf https://www.cdc.gov/nchs/hus/spotlight/HeartDiseaseSpotlight... Pretty sure it means

https://www.cdc.gov/nchs/hus/spotlight/HeartDiseaseSpotlight_2019_0404.pdf https://www.cdc.gov/nchs/hus/spotlight/HeartDiseaseSpotlight... Pretty sure it means that while all groups decreased in deaths from heart attacks, the highest risk groups (white and black Americans) saw a larger decrease in deaths than the groups that had lower risk of death (Hispanic and Asian Americans). Therefore the gaps between racial groups' deaths are lower than they were at the start.