作者
Paul P Lee, Zachary W Feldman, Jan Ostermann, Derek S Brown, Frank A Sloan
发表日期
2003/10/1
期刊
Ophthalmology
卷号
110
期号
10
页码范围
1952-1959
出版商
Elsevier
简介
OBJECTIVE
To assess the rate of annual eye examinations over time among older Americans with diabetes and chronic eye diseases.
DESIGN
Longitudinal analysis of Medicare claims data.
PARTICIPANTS
Random sample of Medicare beneficiaries aged 65 years or older.
METHODS
Beneficiaries were followed between 1991 and 1999, unless mortality or enrollment in a health maintenance organization for > 6 months in a given 12-month period intervened. All claims data (both physician and facility) during this time were analyzed for the presence of International Classification of Diseases 9 codes consistent with 1 of the 3 study conditions and the performance of eye examinations.
MAIN OUTCOME MEASURES
Claims submitted by optometrists, ophthalmologists, or other providers of eye care for subjects with diabetes, glaucoma, or age-related macular degeneration (ARMD). Rates were calculated on the basis …
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