glaucoma and the risk of stroke development

From: Open-Angle Glaucoma and the Risk of Stroke Development. A 5-year Population-Based Follow-up Study. by Ho JD, Hu CC, Lin HC, 21 May 2009.

Data were collected from the Taiwan National Health Insurance Research Database which is comprised of 1 million random subjects from among Taiwan's 23 million residents. The study cohort comprised all patients with a diagnosis of OAG. The comparison cohort was comprised of randomly selected patients matched with the study group in terms of age, gender, geographic location, and comorbid medical disorders.