1. Volume 14, Issue 1, Pages 57-64 (January 2015)
Prediagnostic presentations of Parkinson's disease in primary care: a case-control study 
Dr Anette Schrag, FRCP, Laura Horsfall, PhD, Kate Walters, MD, Alastair Noyce, MRCP, Irene Petersen, PhD 
The Lancet Neurology 
Volume 14, Issue 1, Pages (January 2015)
DOI: /S (14)70287-X
Copyright © 2015 Schrag et al. Open Access article distributed under the terms of CC BY Terms and Conditions

2. Figure 1 Incidence of motor symptoms of Parkinson's disease
Bars are 95% CIs, based on the sample size of each group. Neck pain and stiffness symptoms are not shown because the difference between groups was not significant at any year.
The Lancet Neurology  , 57-64DOI: ( /S (14)70287-X)
Copyright © 2015 Schrag et al. Open Access article distributed under the terms of CC BY Terms and Conditions

3. Figure 2 Incidence of neuropsychiatric symptoms and insomnia
Bars are 95% CIs, based on the sample size of each group.
The Lancet Neurology  , 57-64DOI: ( /S (14)70287-X)
Copyright © 2015 Schrag et al. Open Access article distributed under the terms of CC BY Terms and Conditions

4. Figure 3 Incidence of autonomic symptoms and fatigue
Bars are 95% CIs, based on the sample size of each group.
The Lancet Neurology  , 57-64DOI: ( /S (14)70287-X)
Copyright © 2015 Schrag et al. Open Access article distributed under the terms of CC BY Terms and Conditions