Much of the survival disadvantage for PI groups appears to be a result of late diagnosis, and thus targeted interventions have much potential to reduce cancer mortality in this group. More research is needed to find explanations for the particularly poor cancer survival for Samoans in the United States.
The finding that Asian Indians/Pakistanis in the United States have relatively low incidence rates for most major cancers is consistent with studies from other countries. Whether the low incidence of cancer and above average cancer survival for this group is related to their well-above average socioeconomic status or cultural and behavioral factors is a topic for further research.
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