Age at onset of bipolar disorder in a Norwegian catchment area sample.

@article{Larsson2010AgeAO,
  title={Age at onset of bipolar disorder in a Norwegian catchment area sample.},
  author={Sara Larsson and Steinar Lorentzen and Erlend Mork and Elizabeth Ann Barrett and Nils Eiel Steen and Trine V. Lagerberg and Akiah Ottesen Berg and Sofie Ragnhild Aminoff and Ingrid Agartz and Ingrid Melle and Ole A. Andreassen},
  journal={Journal of affective disorders},
  year={2010},
  volume={124 1-2},
  pages={174-7}
}
BACKGROUND Early onset of bipolar disorder (BD) is an important clinical predictor of a more severe course and poorer outcome. A higher proportion of childhood onset BD has been reported in studies from USA compared to Europe. We investigated age at onset of first affective episode in a Norwegian sample and compared it to previous European and US findings. In addition, we examined whether age at onset influenced on time to first treatment, and if patient characteristics related to illness… CONTINUE READING