The area under the ROC curve for NT-proBNP prediction of LVD ( NYHA > 1 ) was 0.97.For a NT-proBNP cut-off level of 117.5 pg/ml, the sensitivity was 91.1% and the specificity was 95.9%.

• NT-proBNP探测老年人LVD的AUC为0.；97，如设定界值117