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Health Sciences › Medicine › Neurology
Global Trends in the Incidence, Prevalence, and Years Lived With Disability of Parkinson's Disease in 204 Countries/Territories From 1990 to 2019
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Paper Summary
Conflicts of Interest
Identified Weaknesses
Rating Explanation
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Paper Summary
Paperzilla title
Parkinson's on the Rise (Mostly): A 30-Year Global Check-Up
This study examined global Parkinson's disease trends from 1990-2019 using the Global Burden of Disease dataset. It found an overall increasing trend in incidence, prevalence, and years lived with disability globally and in most regions, likely linked to population growth and aging, though several countries showed decreasing trends. The burden was higher in males and positively correlated with sociodemographic development indices.
Possible Conflicts of Interest
None identified
Identified Weaknesses
Reliance on GBD estimates and potential biases
The study relies on estimates and correlations between demographic factors and Parkinson's disease burden, which may not fully capture the complex interplay of risk factors and disease progression. The study itself highlights the potential biases in the GBD data due to miscoding and misclassification. Furthermore, the study does not delve into the reasons for downward trends in certain areas.
Lack of actionable recommendations
The study does not explore specific interventions or policy recommendations, limiting its actionable implications for healthcare stakeholders.
Oversimplification of factors using SDI/HDI
The study uses broad sociodemographic indicators like SDI and HDI, which may oversimplify the factors at play and mask underlying differences between countries within the same category.
Rating Explanation
The study provides a useful overview of Parkinson's disease trends using GBD data but relies heavily on correlational analysis and broad sociodemographic indicators. This limits the depth of insights and ability to pinpoint causal factors. While the descriptive nature of the study presents some limitations, the scope and breadth of its data are still useful in understanding the global landscape of Parkinson's disease. Overall, it is a good study with certain limitations that must be acknowledged.
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File Information
Original Title:
Global Trends in the Incidence, Prevalence, and Years Lived With Disability of Parkinson's Disease in 204 Countries/Territories From 1990 to 2019
File Name:
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July 14, 2025 at 10:50 AM
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