Which of the following factors is the most impoant predictor of development of Post-Traumatic Stress Disorder (PTSD) in a 30-year-old man who has just been involved in a road traffic accident?: (A) Death of a friend in the accident, (B) His age and gender, (C) History of panic disorder, (D) History of substance abuse
Answer is A. Severity of event or accident is the most impoant predictor for development of PTSD.