The aim of this study was to assess whether the ability to detect early warning signs was associated with clinical and demographic characteristics in a bipolar disorder clinic sample.
In summary, this study is the first to describe the clinical characteristics of CH in Chinese patients based on a clinic sample.
In the clinic sample, the PONS was completed as part of routine clinical care and we had consent for anonymized use of all clinical data.
Limited generalizability beyond our predominately white, female, educated, insured American BD specialty clinic sample.
A recent paper [37] was published looking at 206 consecutive outpatients in an anxiety disorders clinic sample, the prevalence of migraine was 67%.
The frequency of migraine headache in a clinic sample of TS subjects was nearly 4-fold more than the frequency of migraines reported in general population.
The remaining general population sample (n = 22) was assumed completely healthy while the pain clinic sample was supposed to be the most affected group.
The research sample was representative of the usual clinic sample from which it had been selected and thus the results could be extrapolated with some confidence to other similar clinical settings.
While few subjects had high headache frequency in the primary care and general population samples, a large proportion (45% of subjects) in the pain clinic sample had ≥15 headache days per month.
As an associative comorbidity, the frequency of migraine headache in a clinic sample of Tourette syndrome subjects was nearly fourfold more than the frequency of migraines reported in the general population [35].
The Internet clinic sample were more likely to be married than the other samples.
