Table 4.
peformance of learning modelsTable 4
| Model (Origin of training and validating dataset) | Testing dataset | AUC | Cutoff value (%) | True positive(No. of condyles) | True negative(No. of condyles) | Accuracy (%) | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|---|---|---|
| Model A (Datatsets from hospital A) | Hospital A | 0.85* | 5.96 | 80/100 | 79/100 | 80.4 | 80.0 | 79.0 |
| Hospital B | 0.58* | 99.94 | 60/100 | 58/100 | 59.0 | 60.0 | 58.0 | |
| Model B (Datasets from hospital B) | Hospital A | 0.58# | 99.98 | 61/100 | 59/100 | 60.0 | 61.0 | 59.0 |
| Hospital B | 0.86# | 56.23 | 80/100 | 82/100 | 81.0 | 80.0 | 82.0 | |
| Model AB (Combined datasets from hospitals A and B) | Hospital A | 0.89 | 7.00 | 83/100 | 80/100 | 81.5 | 83.0 | 80.0 |
| Hospital B | 0.91 | 36.00 | 85/100 | 84/100 | 84.5 | 85.0 | 84.0 |
AUC, Area under the curve receiver operating characteristic curve; CNN, Convolution Neural Network.
*,#: Statistically significant difference with p value < 0.05.