Review Article

Risk of Parkinson’s Disease in the Users of Antihypertensive Agents: An Evidence from the Meta-Analysis of Observational Studies

Table 6

Overall effect estimates for Parkinson’s disease and Angiotensin converting enzyme inhibitors use according to subgroups.

CharacteristicsNumber of studiesRR (95% CI) valueCochrane value value

All studies30.98 (0.77–1.2)0.010.02373.422

Study design
 Cohort10.80 (0.64–0.96)0.120.8400.000
 Case-control21.09 (0.64–1.24)0.141.0000.000

Gender
 Men10.88 (0.63–1.23)NANANA
 Women20.76 (0.56–1.05)0.000.9540.000

Quality
 High10.80 (0.69–1.01)NANANA
 Medium21.09 (0.95–1.24)0.000.8400.000

NA: not available.