Trauma and PTSD in the WHO World Mental Health Surveys

Authors: Ronald C. Kessler, Sergio Aguilar‐Gaxiola, Jordi Alonso, Corina Benjet, Evelyn J. Bromet, Graça Cardoso, Louisa Degenhardt, Giovanni de Girolamo, R. Dinolova, Finola Ferry, Silvia Florescu, Oye Gureje, Josep María Haro, Yueqin Huang, Elie G. Karam, Norito Kawakami, Sing Lee, Jean-Pierre Lépine, Daphna Levinson, Fernando Navarro‐Mateu, Beth-Ellen Pennell, Marina Piazza, José Posada‐Villa, Kate M. Scott, Dan J. Stein, Margreet ten Have, Yolanda Torres, María Carmen Viana, Maria Petukhova, Nancy A. Sampson, Alan M. Zaslavsky, Karestan C. Koenen - European journal of psychotraumatology 2017 cited by 1,574

: Trauma exposure is common throughout the world, unequally distributed, and differential across trauma types with respect to PTSD risk. Although a substantial minority of PTSD cases remits within months after onset, mean symptom duration is considerably longer than previously recognized.