The most frequent diagnoses for patients with tinnitus and dizziness were Ménière disease (34%), vertiginous migraine (18%), and benign paroxysmal positional vertigo (16%).Descriptive data on patients with common disorders can be rapidly collected within the framework of a practice-based research network.
The Results section applies the proposed Bayesian methodology to clinical trial data on vertigo attacks and presents the findings of our simulation study.
The clinical effect of treating dizziness and vertigo was evaluated by performing statistical analyses on data collected from questionnaires of Dizziness Handicap Inventory (DHI), Visual Analog Scale (VAS) of dizziness and vertigo, and heart rate variability (HRV).
For example, one of hundreds of data aggregations revealed that people who experienced vertigo in conjunction with migraines were four times as likely to have painful negative reactions when using the migraine drug Imitrex as those who did not have vertigo.
We apply the findings to the data from an open clinical trial on vertigo attacks.
Following the real data structure of our clinical trial about patients with vertigo attacks, a parallel group design was assumed with four measurements occurring at times t= t1, t2, t3, t4)=0,1,2,3 (exactly balanced design) for all subjects.
The data were recorded in a headache diary: the intensity of vertigo attacks was assessed by a 3-score scale (with "1" indicating mild vertigo, "2" medium intensity and "3" the worst vertigo imaginable), while the therapeutic response to vertigo attacks by a 4-score scale (with "0" indicating any change, "1" under 50% reduction, "2" over 50% reduction and "3" the complete disappearance of vertigo).
According to the data, patients visiting a GP in the UK were most likely to be prescribed an anti-vertigo product (acute tinnitus = 84% and chronic tinnitus = 88%).
Pamela suffers from vertigo.
