Journal
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH
Volume 49, Issue 12, Pages -Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/03000605211067414
Keywords
Hypopharyngeal squamous cell carcinoma; cancer-specific survival; nomogram; surgery; risk stratification; prediction
Funding
- Clinical Research Program of Nanfang Hospital, Southern Medical University [2018CR043]
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The study developed a nomogram for predicting cancer-specific survival in HSCC patients, which showed higher accuracy than traditional AJCC staging. The nomogram included factors such as age, marital status, T, N, and M stage, and postoperative adjuvant therapy.
Objective We aimed to develop a nomogram to predict cancer-specific survival (CSS) in patients with hypopharyngeal squamous cell carcinoma (HSCC) treated with primary surgery to provide more accurate risk stratification for patients. Methods We retrospectively collected data of 1144 eligible patients with HSCC from the Surveillance, Epidemiology, and End Results (SEER) database between 2004 and 2015. Patients were randomly divided into training and validation groups (ratio 6:4) and we used univariate and multivariate Cox analysis. We developed and validated a nomogram using calibration plots and time-dependent receiver operating characteristic, Kaplan-Meier, and decision curves. Results Age; marital status; T, N, and M stage; and postoperative adjuvant therapy were independent factors associated with CSS, which were included in the nomogram. The nomogram's C-index was 0.705 to 0.723 in the training group and 0.681 to 0.736 in the validation group, which were significantly higher than conventional American Joint Committee on Cancer (AJCC) staging. Calibration curves showed good agreement between prediction and observation in both groups. Kaplan-Meier and decision curves suggested the nomogram had better risk stratification and net benefit than conventional AJCC staging. Conclusions We established a nomogram that was superior to conventional AJCC staging in predicting CSS for HSCC.
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