Optimal cutoff points for phase parameters were 24° 42° for bandwidth, 8.6° 15.3° for phase SD, and 31 48% for entropy.
The sex-specific cutoff values of phase parameters might clearly discriminate between normal patients and patients with suspected LV dyssynchrony.
The lowest and highest cutoff points of phase SD were 8.6° for QGS and 15.3° for ECTb, respectively.
The percentages of patients who were classified differently using cutoff points for phase SD were 18% for 4DM, 18% for cREPO, 21% for ECTb, and 14% for QGS.
The optimal immunofluorescence assay (IFA) cutoff value for phase I IgG titer is still matter of debate and is dependent on the test used but is probably within the range of 800 1,600 (7, 17 – 17 ).
The physical property cutoffs for the Phase II library were a molecular weight range of 100 1,000, a vapor pressure of < 10 Pa, and a calculated log p-value of –2 to 6.
Our results demonstrated that the cutoff values of bandwidth, phase SD, and entropy for evaluating LV dyssynchrony were variable depending on the software programs.
Although the optimal cutoff values of bandwidth, phase SD, and entropy were variable depending on the software programs, the diagnostic performance by ROC analysis was equivalent.
We find the SAW mode velocity increase with frequency monotonously; there exist a cutoff frequency in the phase dispersion at about 1.5 MHz which means the shear velocity of epoxy.
At data cutoff for the two Phase III studies, 720 progression events and 523 deaths had occurred in HORIZON II and 924 progression events and 730 deaths in HORIZON III.
