Table 2. Associations of measured variables with unstimulated saliva flow rate.
| Variable | Normal | Low | p-value | |||
|---|---|---|---|---|---|---|
| n = 167 | (48.8%) | n = 175 | (51.2%) | |||
| LDL-C | ||||||
| Moderate hyper | 15 | (36.6) | 26 | (63.4) | 0.002 | a |
| Severe hyper | 3 | (15.8) | 16 | (84.2) | ||
| HDL-C | ||||||
| Hypo | 7 | (28.0) | 18 | (72.0) | 0.030 | a |
| Gender | ||||||
| Female | 74 | (43.0) | 98 | (57.0) | 0.031 | a |
| Rheumatoid arthritis | ||||||
| Yes | 13 | (61.9) | 8 | (31.8) | 0.216 | a |
| Diabetes mellitus | ||||||
| Yes | 8 | (38.1) | 13 | (61.9) | 0.310 | a |
| Reduced kidney function | ||||||
| Yes | 55 | (53.9) | 47 | (46.1) | 0.219 | a |
| Depressive symptoms | ||||||
| Yes | 41 | (39.8) | 62 | (60.2) | 0.018 | a |
| Antihypertensive agent | ||||||
| Yes | 70 | (44.6) | 87 | (55.4) | 0.148 | a |
| Diuretic agent | ||||||
| Yes | 6 | (35.3) | 11 | (64.7) | 0.257 | a |
| Antidepressant agent | ||||||
| Yes | 28 | (48.3) | 30 | (51.7) | 0.834 | a |
| Anticholinergic agent | ||||||
| Yes | 11 | (61.1) | 7 | (38.9) | 0.284 | a |
| Number of medications | ||||||
| Mean ± SD | 2.86 ± 3.1 | 3.26 ± 3.0 | 0.083 | b | ||
| Number of remaining teeth | ||||||
| Mean ± SD | 15.2 ± 9.2 | 16.9 ± 9.0 | 0.134 | b | ||
| Body mass Index | ||||||
| Mean ± SD | 21.9 ± 3.0 | 22.1 ± 3.1 | 0.800 | b | ||
| Smoking | ||||||
| Current smoker | 17 | (56.7) | 13 | (43.3) | 0.369 | a |
Abbreviations: HDL, high-density lipoprotein; LDL, low-density lipoprotein; SD, standard deviation.
n (%) or Mean ± SD.
a
: Chi-squared test, b: Mann-Whitney U test.