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Comparative cost of transoral robotic surgery and radiotherapy (IMRT) in early stage tonsil cancer
Joseph Spellman1, Michael Coulter2, Aniket Kawatkar3
1Department Otolaryngology-Head and Neck Surgery, United States Naval Hospital Yokosuka, Yokosuka, Japan.
Purpose:
To compare treatment costs and cost-effectiveness for transoral robotic surgery (TORS) and definitive intensity-modulated radiotherapy (IMRT) in managing early stage tonsil cancer.
Materials And Methods:
Direct treatment costs for surgery and IMRT were calculated from SEER-Medicare data for a cohort with clinically early stage (cT1/2N0) p16+ tonsillar squamous cell carcinoma from Kaiser Permanente Southern California Health Plan between 2012 and 2017. A Markov decision tree model with a 5-year time horizon was then applied to the cohort which incorporated costs associated with treatment, surveillance, and recurrence.
Results:
IMRT cost up to $19,000 more (35%) than TORS in direct treatment costs. When input into the Markov model, TORS dominated IMRT with lower cost and better effectiveness over a range of values.
Conclusion:
TORS is a more cost-effective treatment method than IMRT in early stage (cT1/2N0) tonsil cancer.
