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Table 3 Signs of oral dryness in relation to stimulated saliva parameters

From: Signs of oral dryness in relation to salivary flow rate, pH, buffering capacity and dry mouth complaints

Saliva parameters Total N = 312 Dry lip Dry mucosa
     Present N = 117 Absent N = 195 Present N = 10 Absent N = 302
Flow rate Mean 1.53 1.51 1.55 1.43 1.53
  SD 1.1 1.3 1.2 1.0 1.4
pH Mean 7.39 7.38 7.40 7.38 7.39
  SD 0.39 0.41 0.46 0.43 0.41
Buffer Capacity 1 n 7 3 6 0 12
   % 2 2 3 0 4
  2 n 71 29 40 4 75
   % 23 25 21 40 25
  3 n 234 85 149 6 215
   % 75 73 76 60 71