borderline significancep = 0.058
Meta‐regression Upon conducting multivariate meta‐regression with the subgroups defined above, we found patients in lower‐income countries to have significantly higher odds of worsening anxiety (aOR 8.94, 95% CI 1.62–49.28, p = 0.012) and reduced sleep (aOR 5.16, 95% CI 1.15–23.17, p = 0.032), as well as deterioration in PD symptoms with borderline significance (aOR 3.57, 95% CI 0.96–13.34, p = 0.058).