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A receiver operating characteristic (ROC) curve for the prediction of depression 5 years after treatment using the logistic regression model (based on gender, tumour location and emotion-oriented coping style). The area under the curve is 0.8297. Areas under the curve can vary between 0 and 1; a value of 0.5 indicates that the model has no diagnostic power, while a 1 indicates that the model has perfect diagnostic accuracy
