Yun-Ting Wang1, Ku-Hao Fang2, Cheng-Ming Hsu1, Geng-He Chang1, Chia-Hsuan Lai3, Yi-Chan Lee4, Ming-Shao Tsai1, Ethan I Huang1, Yao-Te Tsai5. 1. Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, No. 6, W. Sec., Jiapu Rd., Puzi City, Chiayi, 61363, Taiwan. 2. Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan. 3. Department of Radiation Oncology, Chang Gung Memorial Hospital, Chiayi, Taiwan. 4. Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Keelung, Taiwan. 5. Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, No. 6, W. Sec., Jiapu Rd., Puzi City, Chiayi, 61363, Taiwan. yaote1215@gmail.com.
Abstract
PURPOSE: Although the serum albumin/globulin ratio (AGR) is recognized as a valuable prognostic biomarker in various cancers, its clinical value in oral cavity squamous cell carcinoma (OSCC) is still unclear. We aimed to probe the prognostic value of AGR in patients with OSCC undergoing curative surgery. METHODS: This retrospective study analyzed 306 patients who were newly diagnosed as having OSCC and receiving curative surgery between 2008 and 2017. The correlation of AGR with survival outcomes was estimated using Cox proportional hazards models and Kaplan-Meier analysis. A nomogram based on AGR was established, and its accuracy was assessed according to the concordance index. RESULTS: The log rank test and Kaplan-Meier analysis indicated that patients who had low AGR had significantly shorter disease-free survival (DFS) as well as 5-year overall survival (OS) than those with high AGR. The multivariate Cox analysis revealed that low AGR was an independent predictor of poor OS and DFS (adjusted hazard ratio [aHR] = 2.812; 95% CI 1.729-4.573; p < 0.001, and aHR = 1.743; 95% CI 1.201-2.530; p = 0.003, respectively). The concordance index of the nomogram model based on TNM staging alone was 0.656 and could increase to 0.783 with the inclusion of AGR and other prognostic variables in the calculation. CONCLUSION: Preoperative AGR may represent an accessible, valuable prognostic biomarker in patients with OSCC. The nomogram model incorporating AGR and clinicopathological prognostic variables may improve the accuracy of prognostic predictions in these patients.
PURPOSE: Although the serum albumin/globulin ratio (AGR) is recognized as a valuable prognostic biomarker in various cancers, its clinical value in oral cavity squamous cell carcinoma (OSCC) is still unclear. We aimed to probe the prognostic value of AGR in patients with OSCC undergoing curative surgery. METHODS: This retrospective study analyzed 306 patients who were newly diagnosed as having OSCC and receiving curative surgery between 2008 and 2017. The correlation of AGR with survival outcomes was estimated using Cox proportional hazards models and Kaplan-Meier analysis. A nomogram based on AGR was established, and its accuracy was assessed according to the concordance index. RESULTS: The log rank test and Kaplan-Meier analysis indicated that patients who had low AGR had significantly shorter disease-free survival (DFS) as well as 5-year overall survival (OS) than those with high AGR. The multivariate Cox analysis revealed that low AGR was an independent predictor of poor OS and DFS (adjusted hazard ratio [aHR] = 2.812; 95% CI 1.729-4.573; p < 0.001, and aHR = 1.743; 95% CI 1.201-2.530; p = 0.003, respectively). The concordance index of the nomogram model based on TNM staging alone was 0.656 and could increase to 0.783 with the inclusion of AGR and other prognostic variables in the calculation. CONCLUSION: Preoperative AGR may represent an accessible, valuable prognostic biomarker in patients with OSCC. The nomogram model incorporating AGR and clinicopathological prognostic variables may improve the accuracy of prognostic predictions in these patients.