Table 5

Sensitivity, Specificity, and AUC for 15% Reduction in ESV

Assessment MethodAUCCutoffSensitivitySpecificity
QRSD (ms), n = 320.84146.01.000.64
% rise LV dP/dtmax, n = 320.8911.10.940.86
LVPE (ms), n = 310.75160.00.650.79
IVMD (ms), n = 310.9129.00.940.79
TDI septal lateral (ms), n = 320.590.00.880.29
SDI (%), n = 260.811.90.730.82

Table uses receiver-operator characteristic curve analysis to investigate whether changing the cutoff values used in Table 4 could give a better prediction of improvement in ESV.

AUC = area under the receiver-operator characteristic curve; QRSD = QRS duration; other abbreviations as in Table 4.