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Abstract
Aim/Background: Restless legs syndrome (RLS) is a frequent neurological and sleep disorder. Metabolic disorders are known to be related to sleep disorders. We prospectively evaluated whether obesity and its possible cofactors were related to the presence of RLS.
Materials and Methods: The study included 143 obese and 94 non-obese individuals. Obese patients had a BMI of 30 and over, while non-obese patients had a BMI lower than 30. Patients with arthritis and pregnancy were excluded but not those with diabetes mellitus. Participants who met diagnostic criteria recommended by the International RLS Study Group were diagnosed as having RLS. Depression, anxiety, daytime sleepiness, insomnia and sleep quality were evaluated in detail.
Results: The mean age of obese patients was 40.52 years and that of non-obese patients was 39.76 years. The mean body mass index was 36.77 in the obese group and 25.71 in the non-obese group. The occurrence of depression, anxiety, sleep quality, and insomnia scores were significantly higher in obese individuals. The evaluations of daytime sleepiness, sleep efficiency and sleep latency were not significantly different between the groups.
Discussion: Although the presence of RLS was correlated with obesity and vascular risk factors at a significant level, it was also shown that depression, anxiety and insomnia were significantly frequent in obese patients (although not daytime sleepiness). Further studies are needed.