Table 2 Multiple Logistic Regression performances using a 10-fold cross validation at predicting xerostomia at 3 months after radiotherapy for internal validation cohort (n = 216). Mean and standard deviation of area-under-the curve is reported for the repeated 10 fold cross-validation
Mean ± SD | AUC | Sensitivity | Specificity |
|---|---|---|---|
Generalized Linear Model | |||
 DVH | 0.73 ± 0.01 | 0.76 ± 0.01 | 0.56 ± 0.02 |
 CT | 0.69 ± 0.01 | 0.76 ± 0.01 | 0.50 ± 0.02 |
 MR | 0.70 ± 0.01 | 0.80 ± 0.01 | 0.50 ± 0.02 |
 CT + MR | 0.75 ± 0.01 | 0.76 ± 0.01 | 0.58 ± 0.02 |
 DVH + CT | 0.77 ± 0.01 | 0.79 ± 0.01 | 0.60 ± 0.02 |
 DVH + CT + MR | 0.79 ± 0.01 | 0.78 ± 0.01 | 0.65 ± 0.02 |
 Clinical+CT + MR | 0.77 ± 0.01 | 0.79 ± 0.02 | 0.61 ± 0.02 |
 Clinical+DVH + CT + MR | 0.79 ± 0.01 | 0.78 ± 0.02 | 0.65 ± 0.02 |