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VIDEO DOI: https://doi.org/10.48448/67n7-pd88

poster

AMA Research Challenge 2024

November 07, 2024

Virtual only, United States

Proton Therapy: Probing the Relationship Between Interest and Availability of Proton Therapy Centers

Background Proton therapy is an advanced radiation treatment that uses a beam of protons to destroy cancer cells while better sparing adjacent tissue compared to conventional X-ray treatments. As of July 2024, there are only 45 operating proton therapy centers in the United States, with an additional 6 member centers in development. 25 states and the District of Columbia have at least 1 proton therapy center, while 25 states do not have a proton therapy center. With patients using Google to learn more about their medical conditions and available treatments, the purpose of this study is to determine the relationship between access to a proton therapy center and search interest for proton therapy.

Methods 2004-2023 Google trends data for the search term “proton therapy” was analyzed by state using the Health filter. Google Trends used a scale of 0-100 to analyze search interest, with 0 representing the lowest search interest and 100 representing the highest search interest. A two tailed unpaired t-test was utilized to assess differences in search interest between states with a proton therapy center in comparison to states without a proton therapy center.

Results There is a statistically significant difference in search interest for proton therapy between states with a proton therapy center versus states without a proton therapy center (p<0.0001). On a scale of 0-100, states with a proton therapy center had a mean search interest of 48.46 with a standard deviation of 18.37, while states without a proton therapy center had a mean search interest of 30.44 with a standard deviation of 11.80. Four states had a statistically significant higher search interest in proton therapy compared to other states (p<0.05): Tennessee, Oklahoma, Kansas, and Delaware. Of these four, only Delaware does not have a proton therapy center. Among the 16 states and District of Columbia with the highest search interest in proton therapy, only Delaware did not have a proton therapy center. Among the 15 states with the lowest search interest in proton therapy, only Utah had a proton therapy center.

Conclusion This study highlights the association between proton therapy search interest and availability. The expansion of this novel treatment will likely impact distribution of patient resources for proton therapy.

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