Table 2.
AUC and cut-off value for xerostomia with unstimulated salivary flow rate.
| Data set | AUC (standard error) | Cut-off (standard error) | Sensitivity | Specificity | p-value | |
|---|---|---|---|---|---|---|
| All participants (n = 829) | 0.5489 (0.0304) | 0.1654 (0.0002) | 0.7426 | 0.1272 | 1.0000 | |
| Sex | Male (n = 238) | 0.5243 (0.0352) | 0.1763 (0.0006) | 0.7426 | 0.1272 | 1.0000 |
| Female (n = 591) | 0.5622 (0.0421) | 0.1604 (0.0003) | 0.7128 | 0.1354 | 0.5208 | |
| Age group | Group 1 (n = 45) | 0.6292 (0.0895) | 0.3959 (0.0016) | 0.2632 | 0.5172 | 0.2479 |
| Group 2 (n = 338) | 0.5078 (0.0299) | 0.1674 (0.0019) | 0.7333 | 0.2776 | 1.0000 | |
| Group 3 (n = 446) | 0.6571 (0.0204) | 0.1409 (0.0013) | 0.7410 | 0.5627 | 0.0013 | |
Results were obtained using ROC curve analysis. Group 1: 0–29 years, Group 2: 30–59 years, and Group 3: 60–100 years.
Significant are in value [bold].