Multiple stepwise regression analysis showed that LADI was independently correlated with LVMI,age,SBP,IVRT and EDT ( r = 0.481 , r 2 = 0.231 ),LAEF correlated with LVMI,IVRT and E/A ( r = 0.376 , r 2 = 0.141 ).

• 逐步回归分析显示LADI与LVMI、年龄、收缩压、IVRT、EDT独立相关 (r =0 .；481；r2 =0