Abstract
Background
The modified Glasgow prognostic score (mGPS) includes C-reactive protein and serum albumin levels and is a useful prognostic tool for malignant tumors. The immune system affects cancer progression and recurrence and treatment response. We hypothesized that increasing the lymphocyte count improves mGPS, and we created a new prognostic marker termed immune-mGPS (imGPS).
Methods
This study included 461 patients with head and neck squamous cell carcinoma (HNSCC). The imGPS was calculated as the conventional mGPS with one additional point for a low lymphocyte count (<1250/μL).
Results
Addition of the lymphocyte count to mGPS significantly increased the area under the time-dependent receiver operating characteristic curve for overall and progression-free survivals. The added predictive abilities of this tool were supported by improvement in both net reclassification and integrated discrimination.
Conclusion
imGPS is a more accurate predictor of clinical outcome in patients with HNSCC than mGPS.
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