Fig. 2
From: Meta-analysis of risk factors for Parkinson’s disease dementia

Factors that show significant positive association with PDD; RBD = REM sleep behavior disorder; CI = confidence interval; RR = relative risk; OR = odds ratio
From: Meta-analysis of risk factors for Parkinson’s disease dementia
Factors that show significant positive association with PDD; RBD = REM sleep behavior disorder; CI = confidence interval; RR = relative risk; OR = odds ratio