Journal of psychosomatic research
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Although research suggests there is considerable overlap among chronic pain, fatigue, and sleep disturbances, no research to date has concurrently examined their interrelationships. This study estimates the co-occurrence of these three conditions in terms of prevalence and associated factors in the general adult population. ⋯ This study has shown that the co-occurrence of chronic pain, fatigue, and sleep disturbances was common in the general adult population. Multiple symptoms are comorbid of psychological distress.
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There is no consensus definition for the phenotype of subsyndromal delirium (SSD), a subthreshold state to full delirium. Without an a priori definition we applied advanced analytic techniques to discern SSD. ⋯ SSD is intermediate in severity between nondelirious controls and full syndromal delirium, but its phenotype is more like delirium. Core domain delirium symptoms present at milder severity in SSD should be evaluated further for utility in detecting and managing SSD, preventing delirium, and possible inclusion in DSM-V.