Table 3 AUC and cut-off value for xerostomia with stimulated salivary flow rate.

From: Prediction of xerostomia in elderly based on clinical characteristics and salivary flow rate with machine learning

Data set

AUC (standard error)

Cut-off (standard error)

Sensitivity

Specificity

p-value

All participants (n = 829)

0.5532 (0.0197)

1.0162 (0.0002)

0.2279

0.6460

1.0000

Sex

Male (n = 238)

0.5698 (0.0506)

1.2891 (0.0006)

0.3810

0.5025

1.0000

Female (n = 591)

0.5495 (0.0253)

1.0117 (0.0005)

0.2660

0.6788

0.7378

Age group

Group 1 (n = 45)

0.6167 (0.0860)

1.0204 (0.0017)

0.3684

0.4483

0.4185

Group 2 (n = 338)

0.5373 (0.0245)

1.0112 (0.0001)

0.2333

0.6154

1.0000

Group 3 (n = 446)

0.5522 (0.0355)

0.9824 (0.0004)

0.2951

0.6507

0.7468

  1. Results were obtained using ROC curve analysis. Group 1: 0–29 years, Group 2: 30–59 years, and Group 3: 60–100 years.
Back to article page