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Health-related quality of life in patients with Gilles de la Tourette's syndrome


  • Potential conflict of interest: Nothing to report.


To investigate the health-related quality of life (HrQoL) of adult patients with Gilles de la Tourette's syndrome (GTS) in Germany. HrQoL was evaluated in 200 adult patients with GTS (Mean age: 34.9 ± 11.8 years). Patients were recruited from three outpatient departments in Germany and completed a semi-structured, self-rating interview. HrQoL was measured using the EQ-5D. Depression was assessed using the Beck's depression inventory (BDI) and clinical symptoms using the Yale Tourette syndrome symptom list (TSSL) and the Shapiro Tourette-syndrome severity scale (STSSS). Multivariate regression analyses were performed to identify independent predictors of HrQoL. Patients with GTS proved to have a worse HrQoL than a sample from the general German population. The domains most affected were anxiety/depression (57.1%), followed by pain/discomfort (47.5%), usual activities (38.4%), mobility (14%), and self-care (6.6%). The mean EQ-5D visual analog scale (EQ-VAS) was 65.4 ± 21.9. The patients had a mean BDI score of 12.3 ± 9.9, which was considerably worse compared to a healthy group who had a score of 6.45 ± 5.2. The mean STSSS value was 3.2 ± 1.1. In multivariate analyses, depressive symptoms contributed considerably, whereas the severity of symptoms as well as age only contributed minimally to HrQoL in the model (R2 = 0.54). HrQoL is considerably reduced in adult patients with GTS. The main independent factors for determining HrQoL were depression, severity of symptoms, and age. Although, treatment of tics is important, co-morbidities such as depression should be diagnosed and treated vigorously. © 2009 Movement Disorder Society