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Area under the curve (AUC) of the receiver operating characteristics (ROC) curve for the OCT A-scan and various parameters derived from the A-scan to discriminate between regions of healthy and carious enamel. Percentile bootstrap 95% confidence interval (CI) reported.
| Model parameter(s) | Model dimension | AUC | Lower 95% CI | Upper 95% CI |
|---|---|---|---|---|
| α | 1 | 0.992 | 0.985 | 0.996 |
| μ | 1 | 0.760 | 0.713 | 0.807 |
| σ | 1 | 0.703 | 0.655 | 0.747 |
| μ and σ | 2 | 0.841 | 0.752 | 0.925 |
| histogram | 12 | 0.961 | 0.924 | 0.990 |
| A-scan | 200 | 0.962 | 0.910 | 0.980 |
