Fig. 3From: Vulnerability in elderly patients with gastrointestinal cancer – translation, cultural adaptation and validation of the European Portuguese version of the Vulnerable Elders Survey (VES-13)ROC curve analysis for the VES-13 total score. Legend : ROC curve analysis for the VES-13 total score, assuming the clinical judgment of the attending physician as the gold standard, showing the cutoff value of >3 as the most appropriate for maximizing both sensitivity (71 %) and specificity (84 %). The area under the ROC curve was C = 0.818 (95 % CI [0.762 – 0.875])Back to article page