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Table 3 Percentage of patients divided into three groups by the flow ratio at different time points (n = 44).

From: Quality of life and salivary output in patients with head-and-neck cancer five years after radiotherapy

  6 weeks 6 mo 12 mo 5 years
Flow ratio     
   <25% 46 35 24 20
   25%–<75% 28 30 35 24
   75% 26 35 41 56