Table II. Characteristics of included systematic reviews (SRs).
CoI: Conflict of interest; EORTC H&N 35: European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Head and Neck Module; MDADI: MD Anderson Dysphagia Inventory; N: number; NRS: Numerical Rating Scale; UWS: unstimulated whole saliva; QoL: quality of life; RSFR: resting salivary flow rate; SSFR: stimulated salivary flow rate; SWS: stimulated whole saliva; USSFR: unstimulated salivary flow rate; XI: xerostomia inventory; XQ: xerostomia questionnaire.



