The 4-item Primary Care Post-Traumatic Stress Disorder screen (PC-PTSD) is a simple and effective tool to identify symptoms of post-traumatic stress disorder (PTSD) in primary care patients (strength of recommendation [SOR ]: B, 1 good-quality prospective cohort study and 1 good-quality retrospective cohort study). The 7-item Breslau screen also predictably identifies patients with PTSD symptoms (SOR : B, 1 good-quality prospective cohort study)
