The combined use of Pmax >110 ms and Pd >40 ms is able to improve the sensitivity and specificity of PAF prediction.

• 结论:Pd增高可预测糖尿病患者伴发的阵发性心房颤动的发生,Pmax>110ms+Pd>40ms联用时可提高预测心房颤动的特异性、阳性预测值。