Fig. 2From: The Severity of Dependence Scale detects medication misuse and dependence among hospitalized older patientsDiscriminative ability, cutoffs and accuracy indices of the Severity of Dependence Scale for central nervous system depressants. ROC curve analysis yielded an AUC of 0.86. A score of 5.5 was determined as the optimal cutoff as it generated the best accuracy indices, highest chi-square test value, maximum Youden’s index and minimum Euclidean distanceBack to article page