Tooth wear [mean (sd)] and regurgitation | |||
---|---|---|---|
Regurgitation | No regurgitation | ||
Tooth wear | 1.52% (5.9%) | 0.65% (1.63%) | P=0.048 |
Salivary flow rate [median (range)] and hoarseness | |||
Hoarseness | No hoarseness | ||
Salivary flow rate median (range) | 0.66 ml/min | 1.6 ml/min | P=0.011 |
(0.4–1.1) | (1.1–2.6) |