Table 1 Summary of the PCC inclusion criteria

P—population

 Studies will be considered if they examine:

  • Adults ≥ 18 years who have any PD or PD features/traits/dysfunction/pathology according to current classifications systems, as identified by a relevant health professional/otherwise identified

C—concept

 Studies will be considered if they examine adults with PD in relation to:

  • MSDs according to the broad World Health Organization (WHO) definition including falls, as diagnosed by a physician/otherwise identified

  • Disease burden associated with PD and MSD comorbidity

C—context

 Worldwide studies with observational study designs from clinical or population-based contexts.