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Background

Prior research demonstrates that people with comorbid mental health diagnoses are particularly at risk of developing posttraumatic stress disorder (PTSD), yet few research studies have investigated the impact of PTSD in acute psychiatric settings, such as partial hospital programs (PHP). The present study examined how PTSD symptoms may influence treatment outcomes–depression, anxiety, overall functioning–among patients (N= 1298) attending a PHP.

Methods

We utilized previously validated questionnaires to measure anxiety severity (GAD-7), depression severity (PHQ-9), and overall functioning (WSAS) at admission and discharge. PTSD severity were measured using the PCL-5. Linear regression analyses were conducted to determine the degree of improved symptoms and functioning across three trauma groups: patients with no trauma history (N= 455), patients with trauma exposure (N= 479 …