Summary: High HDL-C Linked to Increased Dry AMD Risk
A retrospective cohort study analyzed electronic healthcare data from 70 US facilities (2005–2025) to evaluate how high-density lipoprotein cholesterol (HDL-C) levels impact the risk of age-related macular degeneration (AMD). Key Findings Higher Dry AMD Risk: High HDL-C levels were associated with a significantly increased risk of incident nonexudative (dry) AMD across all stages compared to low levels. Weaker Wet AMD Link: The association with exudative (wet) AMD was present but weaker and less consistent. Risk Breakdown (Hazard Ratios): Overall Dry AMD:Early Atrophic Stage: HR = 1.55 Intermediate Atrophic Stage: HR = 1.82 Advanced Atrophic Stage: HR = 1.85 Overall Wet AMD: HR = 1.37 Study Design & Methodology Researchers matched 186,532 subjects into high and low HDL-C groups based on demographics, medications, and comorbidities. The risk estimates remained directionally consistent and stable even after adjusting for these variables. The authors concluded that future st...