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. 2022;58(1):109.
doi: 10.1186/s41983-022-00544-z. Epub 2022 Sep 15.

Study on restless leg syndrome and its relationship with quality of sleep among the general population of Mangalore, India

Nitin Joseph  1 , Sooraj Suresh  2 , Satwiki Prasad  2 , Swaraj Mandar Malwee  2 , Anand Brittas  2 , Vedant Gupta  2
Affiliations

Study on restless leg syndrome and its relationship with quality of sleep among the general population of Mangalore, India

Nitin Joseph et al. Egypt J Neurol Psychiatr Neurosurg. 2022.

Abstract

Background: Restless leg syndrome (RLS) is a common neurological morbidity. It is, however, a frequently underdiagnosed medical condition. This study was hence done to assess the occurrence and severity of RLS among participants and to study its determinants and its association with quality of sleep. This was a cross-sectional study conducted among the general population of Mangalore in July 2021. Data were collected using a Google Form. The International Restless Legs Syndrome Study Group Rating Scale was used to diagnose RLS and its severity. The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality.

Results: The prevalence of RLS among the 202 participants was 24(11.9%). Among them, 5 were already diagnosed with RLS. Their mean age at onset was 40.4 ± 25.3 years. Among the rest 197 participants, 19(9.6%) were newly diagnosed with RLS. The severity of RLS was mild, moderate and severe among 7(36.8%), 9(47.4%) and 3(15.8%) participants, respectively. Five (26.3%) of the 19 newly diagnosed participants were identified as RLS sufferers. In multivariable analysis, the presence of diabetes mellitus and family history of RLS were associated with the presence of RLS among the participants. The mean Global PSQI value was 5.0 ± 3.1. Sleep latency was prolonged (p = 0.001), and sleep disturbances (p = 0.01) were higher among participants newly diagnosed with RLS (n = 19) compared to those without RLS (n = 178). Subjective sleep quality was poor (p = 0.038), and sleep disturbances (p = 0.016) were more among participants with severe degree RLS.

Conclusions: The prevalence of RLS in the present study was higher than that reported in previous Indian studies. Unpleasant sensations in RLS affected sleep initiation and maintenance among the affected. A multi-disciplinary approach is required to control its determinants and address other sleep-related problems among the RLS affected population.

Keywords: Determinants; Population-based study; Quality of sleep; Restless leg syndrome; Severity.

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Conflict of interest statement

Competing interestsThe authors declare that they have no competing interests.

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