Random survival forest predicts survival in patients with metastatic laryngeal and hypopharyngeal cancer and the prognostic benefits of surgery and radiotherapy
2025

Predicting Survival in Metastatic Laryngeal and Hypopharyngeal Cancer

Sample size: 1626 publication 10 minutes Evidence: high

Author Information

Author(s): Wang Yusheng, Li Chaofan, Yang Feilun, Gong Minjie, Qu Jingkun, Ma Ruiping, Hu Zhenzhen, Lou Miao, Ren Xiaoyong, Zheng Guoxi, Bai Yanxia, Zhang Ya, Hou Jin

Primary Institution: The Second Affiliated Hospital of Xi'an Jiaotong University

Hypothesis

Can a random survival forest model predict survival outcomes in patients with metastatic laryngeal and hypopharyngeal cancer?

Conclusion

The study found that primary tumor surgery and radiotherapy significantly improve survival in certain patient subgroups with metastatic laryngeal and hypopharyngeal cancer.

Supporting Evidence

  • Primary tumor surgery significantly improved survival in patients under 70 years.
  • Radiotherapy enhanced survival across all age groups.
  • The random survival forest model identified chemotherapy, primary tumor surgery, and radiotherapy as the top three factors influencing survival.

Takeaway

Doctors can use a special computer model to help figure out which treatments can help people with advanced throat cancer live longer.

Methodology

Patient data were analyzed using Cox regression and propensity score matching, followed by the development of a random survival forest model.

Potential Biases

The SEER database may not fully represent racial diversity and lacks detailed information on treatment specifics.

Limitations

The study's findings may not be universally applicable due to potential biases in the SEER database and lack of detailed treatment data.

Participant Demographics

The cohort included 1,331 men (81.86%) and 1,132 patients aged < 70 years (69.62%).

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI = 0.271-0.410

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.7150/jca.103793

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