Predicting salvage laryngectomy in patients treated with primary nonsurgical therapy for laryngeal squamous cell carcinoma using machine learning

Joshua B. Smith, Matthew Shew, Omar A. Karadaghy, Rohit Nallani, Kevin J. Sykes, Gregory N. Gan, Jason A. Brant, Andrés M. Bur

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Machine learning (ML) algorithms may predict patients who will require salvage total laryngectomy (STL) after primary radiotherapy with or without chemotherapy for laryngeal squamous cell carcinoma (SCC). Methods: Patients treated for T1-T3a laryngeal SCC were identified from the National Cancer Database. Multiple ML algorithms were trained to predict which patients would go on to require STL after primary nonsurgical treatment. Results: A total of 16 440 cases were included. The best classification performance was achieved with a gradient boosting algorithm, which achieved accuracy of 76.0% (95% CI 74.5-77.5) and area under the curve = 0.762. The most important variables used to construct the model were distance from residence to treating facility and days from diagnosis to start of treatment. Conclusion: We can identify patients likely to fail primary radiotherapy with or without chemotherapy and who will go on to require STL by applying ML techniques and argue for high-quality, multidisciplinary regionalized care.

Original languageEnglish
Pages (from-to)2330-2339
Number of pages10
JournalHead and Neck
Volume42
Issue number9
DOIs
StatePublished - Sep 1 2020

Keywords

  • chemotherapy
  • head and neck cancer
  • machine learning
  • radiation therapy
  • salvage laryngectomy

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