Is reduced heart rate variability associated with functional somatic disorders? A cross-sectional population-based study; DanFunD.
Torben JørgensenThomas Meinertz DantoftMarie Weinreich PetersenLise GormsenMatilde Winter-JensenPer FinkAllan LinnebergMichael Eriksen BenrosLene Falgaard EplovAnne Ahrendt BjerregaardSigne Ulfbeck SchovsboLouise Schouborg BrinthPublished in: BMJ open (2024)
The study supports a sympathetic predominance in persons with FSD, which could not be entirely explained by chronic stress. However, it is not possible to conclude whether the association is a causal factor to or a consequence of FSD.