Figure 4From: Quality of life and salivary output in patients with head-and-neck cancer five years after radiotherapyMean scores over time of the single item dry mouth (QOL-H&N35). High scores imply a high level of symptoms. A division has been made between patients with and without a complication, defined as stimulated cumulated parotid flow rate <25% of the pre-radiotherapy flow rate.Back to article page