Figure 2From: Prediction of clinical toxicity in locally advanced head and neck cancer patients by radio-induced apoptosis in peripheral blood lymphocytes (PBLs)Kaplan-Meier analysis of RIA values and development of severe xerostomia. The analysis was made to establish a relationship between β radiosensitivity constant and the xerostomia free survival. Data were segregated based on the median distribution. Xerostomia in grade 3 was considered severe.Back to article page