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Comparative Study
. 2014 Mar;107(3):99-107.

Cancer incidence and staging among American Indians in Oklahoma

Janis E Campbell, Sydney A Martinez, Amanda E Janitz, Anne E Pate, Julie Erb-Alvarez, David F Wharton, David Gahn, Vicki L Tall, Cuyler Snider, Tom Anderson, Michael Peercy
Comparative Study

Cancer incidence and staging among American Indians in Oklahoma

Janis E Campbell et al. J Okla State Med Assoc. 2014 Mar.

Abstract

Background: This study describes overall and site specific cancer incidence among AI/ANs compared to whites in Oklahoma and differences in cancer staging.

Methods: Age-adjusted incidence rates obtained from the Oklahoma Central Cancer Registry are presented for all cancer sites combined and for the most common cancer sites among AI/ANs with comparisons to whites. Percentages of late stage cancers for breast, colorectal, and melanoma cancers are also presented.

Results: AI/ANs had a significantly higher overall cancer incidence rate compared to whites (629.8/100,000 vs. 503.3/100,000), with a rate ratio of 1.25 (95% CI: 1.22, 1.28). There was a significant disparity in the percentage of late stage melanoma cancers between 2005 and 2009, with 14.0% late stage melanoma for whites and 20.0% for AI/ANs (p-value:0.03).

Conclusions: Overall, there were cancer disparities between AI/ANs and whites in Oklahoma. Incidence rates were higher among AI/ANs for all cancers and many site specific cancers.

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Figures

Figure 1
Figure 1
Indian Health Services Units in Oklahoma
See this image and copyright information in PMC

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