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Figure 5 | BMC Cancer

Figure 5

From: Normal tissue complication probability model parameter estimation for xerostomia in head and neck cancer patients based on scintigraphy and quality of life assessments

Figure 5

Summary of the 25/20-Gy guidelines for radiotherapy in head and neck cancer patients applied to the quality of life (QoL) data at 1 year after radiotherapy. The rate of xerostomia for plans meeting the QUANTEC guideline was zero, resulting in a NPV of 100% under the cut-off point. black circle: Grade 3+ xerostomia; white circle: No grade 3+ xerostomia.

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