医疗保险人群中的圆锥角膜
Keratoconus in the Medicare population.
作者信息
Reeves Sherman W, Ellwein Leon B, Kim Terry, Constantine Roberta, Lee Paul P
机构信息
Minnesota Eye Consultants, Minneapolis, MN 55404, USA.
出版信息
Cornea. 2009 Jan;28(1):40-2. doi: 10.1097/ICO.0b013e3181839b06.
PURPOSE
To investigate the population-based prevalence of keratoconus in US individuals aged 65 years and older.
DESIGN
Multiyear retrospective cross-sectional claims analysis.
METHODS
Fee-for-service claims from a 5% national sample of Medicare beneficiaries aged 65 years and older were reviewed. Claims records were queried on an annual basis for the years 1999 through 2003 for ICD-9 codes specific to keratoconus. The number of beneficiaries with keratoconus-related claims was counted for each calendar year.
RESULTS
The number of beneficiaries receiving care for keratoconus rose steadily from 15.7/100,000 beneficiaries in 1999 to 18.5/100,000 in 2003, averaging 17.5/100,000 across the 5 years of the study. Keratoconus rates declined with increasing age but did not differ by gender. Keratoconus care was more prevalent in whites than in other races.
CONCLUSIONS
Keratoconus is an uncommon disease in the Medicare population. Longitudinal analysis of Medicare claims data may provide a useful tool for monitoring uncommon diseases, such as keratoconus, in the elderly.
目的
调查65岁及以上美国人群中圆锥角膜的基于人群的患病率。
设计
多年回顾性横断面索赔分析。
方法
对来自65岁及以上医疗保险受益人的5%全国样本的按服务收费索赔进行审查。在1999年至2003年期间，每年查询索赔记录以获取特定于圆锥角膜的ICD - 9编码。统计每个日历年中患有与圆锥角膜相关索赔的受益人数。
结果
接受圆锥角膜治疗的受益人数从1999年的15.7/100,000受益人稳步上升至2003年的18.5/100,000，在该研究的5年期间平均为17.5/100,000。圆锥角膜发病率随年龄增长而下降，但在性别上无差异。圆锥角膜治疗在白人中比在其他种族中更普遍。
结论
圆锥角膜在医疗保险人群中是一种罕见疾病。对医疗保险索赔数据的纵向分析可能为监测老年人中的罕见疾病（如圆锥角膜）提供有用工具。
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