… To the best of our knowledge, no meta-analysis of such studies has been conducted on the
… -analysis may help clarify this issue. The aim of the current meta-analysis and systematic …

… This systematic review examines the prevalence of PD worldwide with a meta-analysis of
published, door-to-door or population-based random sampling assessments of the condition. …

… This systematic review provides an upto-date synthesis of incidence studies of PD performed
between 2001 and 2014, and builds on previous results by including an analysis of study …

… We propose a novel system that analyzes the components of rigidity in Parkinson's disease
(PD) usually perceived by physicians, in a very simple and systematic way for routine clinical …

… mechanisms of disease and may also lead to tailored treatment strategies. Cluster analysis
(CA) is an objective method to classify patients into subtypes. We systematically reviewed the …

… the burden of neurodegenerative disorders, including Parkinson's disease. We aimed to
determine the global burden of Parkinson's disease between 1990 and 2016 to identify trends …

… This study was undertaken to perform a systematic review and meta-analysis of studies of
mortality in Parkinson's disease (PD) and to investigate which factors were associated with …

… The aim of this systematic review was to describe the pattern of executive impairment in …
databases were searched using the term “Parkinson's disease” combined with each of 14 …

We conducted a systematic review and meta‐analysis aimed at establishing robust
prevalence estimates and identifying clinical correlates of fatigue in PD. From 2,459 titles and …

OBJECTIVE Diabetes has been associated with chronic neurodegeneration. We performed
a systematic review and meta-analysis to assess the relationship between pre-existing …