Figure 2From: Screening for Posttraumatic Stress Disorder among Somali ex-combatants: A validation studyReceiver-operator curve (ROC). Receiver-operator curve (ROC) showing sensitivity and 1-specificity of cut-off criteria based on the sum score of the screening instrument. Area under the curve = .874, SE = .062, p < .001. Sensitivity (.90) and specificity (.79) are highest with the cut-off criterion 13/14.Back to article page