Figure 1.

Receiver Operating Characteristic (ROC) Curves for Logistic Regression Models. A – Logistic Regression Models 1 (Calibrated Photographic Measurements) and 2 (Uncalibrated Photographic Measurements); B – Logistic Regression Models 3 (Clinical Measurements) and 4 (Photographic and Clinical Measurements). AUC = area under the curve.