Table 4 Dose-response relationship between the intensity of experienced dry mouth and oral disorders
Frequency of dry mouth | p for trend (Cochran Armitage Chi-squared test) | ||||
|---|---|---|---|---|---|
Never N = 19 | Sometimes N = 171 | Quite often N = 623 | Always N = 645 | ||
Oral and dental problems (%, yes) | 8 (42%) | 94 (55%) | 407 (65%) | 468 (73%) | < 0.0001 |
Mouth ulcers (%, often or always) | 1 (5%) | 22 (13%) | 124 (20%) | 187 (29%) | < 0.0001 |
Oral candidiasis (%, often or always) | 0 (0%) | 12 (7%) | 64 (10%) | 149 (23%) | < 0.0001 |
Oral pain or burning (%, often or always) | 0 (0%) | 27 (16%) | 178 (29%) | 343 (53%) | < 0.0001 |
Loss or alteration of taste (%, often or always) | 1 (5%) | 28 (16%) | 159 (26%) | 283 (44%) | < 0.0001 |
Bad mouth breath (%, often or always) | 2 (11%) | 30 (18%) | 133 (21%) | 212 (33%) | < 0.0001 |
Gastroesophageal reflux (%, often or always) | 4 (21%) | 62 (36%) | 281 (45%) | 323 (50%) | 0.0001 |