Figure 1

The ROC curves for M12, M24 and M36. (a) 12Â months; (b) 24Â months; (c) 36Â months. ROC: receiver operating characteristic, AUC: area under curve.
The ROC curves for M12, M24 and M36. (a) 12Â months; (b) 24Â months; (c) 36Â months. ROC: receiver operating characteristic, AUC: area under curve.