Table 1.
Demographics, salivary flow rate, and distribution of xerostomia.
| Parameter | Group 1 (n = 45) | Group 2 (n = 338) | Group 3 (n = 446) | p-value | Post-hoc |
|---|---|---|---|---|---|
| Mean ± SD or n (%) | Mean ± SD or n (%) | Mean ± SD or n (%) | |||
| Agea | 19.67 ± 6.48 | 48.79 ± 8.22 | 71.31 ± 7.58 | < 0.001 | 1 < 2, 1 < 3, 2 < 3 |
| Sexb | |||||
| Female | 18 (40.0%) | 249 (73.7%) | 324 (72.6%) | < 0.001 | Female: 1 < 2, 1 < 3 |
| Male | 27 (60.0%) | 89 (26.3%) | 122 (27.4%) | ||
| Salivary flow rate | |||||
| UFRa | 0.64 ± 0.39 | 0.42 ± 0.24 | 0.32 ± 0.20 | < 0.001 | 1 > 3, 2 > 3, 1 > 2 |
| SFRa | 1.43 ± 0.84 | 1.39 ± 0.87 | 1.27 ± 0.86 | 0.113 | |
| Xerostomiab | 5 (11.1%) | 63 (18.6%) | 131 (29.4%) | < 0.001 | 1 < 2, 1 < 3, 2 < 3 |
| Systemic disease | |||||
| Number of systemic diseasesa | 0.07 ± 0.33 | 0.61 ± 0.92 | 1.34 ± 1.15 | < 0.001 | 1 < 2, 1 < 3, 2 < 3 |
| Number of medicationsa | 0.22 ± 0.42 | 0.46 ± 0.85 | 0.99 ± 1.26 | < 0.001 | 1 < 3, 2 < 3 |
Significant are in value [bold].
a Results were analyzed using ANOVA. b Results were obtained using χ2 test and repeated χ2 test between two age groups. Group 1 (1): 0–29 years, Group 2 (2): 30–59 years, Group 3 (3): 60–100 years.