Abstract
Background
Comorbidities influence treatment outcome of oral squamous cell carcinoma (OSCC). This study compared the predictive performance of six comorbidity scales for overall survival after surgery for OSCC.
Methods
We retrospectively analyzed OSCC patients, surgically treated at an academic center in Belgium between January 01, 2000 and January 01, 2020. Validity of the scales was evaluated using the area under the curve (AUC) of receiver operating characteristic curves.
Results
Three hundred and twenty three patients were included. Elixhauser Comorbidity Index (AUC = 0.74, 95% CI: 0.55–0.92; AUC = 0.73, 95% CI: 0.55–0.80), modified Elixhauser Comorbidity Index (AUC = 0.72, 95% CI: 0.54–0.91; AUC = 0.69, 95% CI: 0.51–0.77), and Combined Comorbidity Index (AUC = 0.76, 95% CI: 0.58–0.84; AUC = 0.76, 95% CI: 0.59–0.84) were meaningful predictors for 2 and 5-year survival, respectively.
Conclusion
Selected comorbidity scales were capable of predicting overall survival for OSCC patients 2 and 5 years after primary surgery.
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