Reconsidering the boundaries between fibromyalgia and post-traumatic stress disorder: evidence from label-free distributional similarity analysis in 2,470 participants.
Fibromyalgia (FM) and post-traumatic stress disorder (PTSD) share key clinical features, including sleep disturbance, fatigue, cognitive symptoms and affect dysregulation, yet they are classified as distinct disorders. We examined whether FM and PTSD represent separable phenotyp…