Skip to main content

Table 2 Signs of oral dryness in relation to resting 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 0.68 0.65 0.73* 0.63 0.68
  SD 0.62 0.65 0.57 0.71 0.63
PH Mean 7.11 7.11 7.12 7.10 7.11
  SD 0.37 0.39 0.41 0.35 0.38
Buffer Capacity 1 n 95 37 55 3 85
   % 30 32 28 30 28
  2 n 180 65 108 5 163
   % 58 56 55 50 54
  3 n 37 17 32 2 54
   % 12 15 17 20 18
  1. * Using t test, P value of difference between groups is 0.02