血浆RAS水平与左心房直径呈显著正相关（P<0.01）。
The concentrations of RAS were correlated significantly with the diameter of the left atrium(P<0.01).
目的：探讨影响非瓣膜性心房颤动（房颤）患者左房直径的可能因素。
Objective: The purpose of this study is to discuss the influential factors contributing to left atrium dimension (LAD) in patients with nonvalvular atrial fibrillation(AF).
目的：探讨影响非瓣膜性心房颤动（房颤）患者左房直径的可能因素。
Objective: The purpose of this study is to discuss the influential factors contributing to left atrium dimension (LAD) in patients with nonvalvular atrial fibrillation(AF).
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