ZOLL E Series Monitor Defibrillator Rev R - Manual (Page 123)

9650-1210-01 Rev. R A-25
Number of ECG Rhythms with SPI > Threshold that were successfully converted
Sensitivity = -------------------------------------------------------------------------------------------------------------
Total number of ECG rhythms that were successfully converted
Number of ECG rhythms with SPI

Threshold that did not convert
Specificity = -----------------------------------------------------------------------------------------
Total number of ECG rhythms that did not convert
Figure A-21. Sensitivity and Specificity Curves vs. SPI (mV-Hz) for the Combined Datasets
Sen
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ity or S
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ecificity
SPI