The investigators assigned nearly three million tumours diagnosed between 2005 and 2009 from 16 states plus Los Angeles (an area covering 42 percent of the US population) into one of four groupings based on the poverty rate of the residential census tract at time of diagnosis.
"When it comes to cancer, the poor are more likely to die of the disease while the affluent are more likely to die with the disease," Boscoe added.
The study appeared in the journal 'inCANCER'