血浆皮质醇水平升高与缺血性心脏疾病的患病率升高相关，而且不依赖于传统的危险因素。
Elevated plasma cortisol is also associated with a greater prevalence of ischemic heart disease, independent of conventional risk factors.
目的：调查陕西省农村人群原发性开角型青光眼的患病率及相关影响因素。
AIM: to assess the prevalence and related risk factors of primary open Angle glaucoma (POAG) in a rural population in Shaanxi Province.
目的：了解社区老年期痴呆和帕金森病患病率及相关因素。
Objective: to investigate the prevalence of senile dementia and Parkinson disease (PD) and the relative factors.
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