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Table 3 Statistical values of SE, SP and ACR for VF differentiation from VT

From: Life-threatening ventricular arrhythmia recognition by nonlinear descriptor

Episode Length Hurst index Complexity measure
  SE SP ACR SE SP ACR
1 sec 0.8351 0.8482 0.8424 0.8242 0.8302 0.8275
1.5 sec 0.8780 0.8698 0.8734 0.8689 0.8597 0.8637
2 sec 0.9080 0.8834 0.8942 0.9007 0.8798 0.8890
2.5 sec 0.9408 0.9158 0.9268 0.9381 0.9194 0.9277
3 sec 0.9608 0.9439 0.9513 0.9654 0.9489 0.9562
3.5 sec 0.9754 0.9669 0.9707 0.9818 0.9734 0.9771
4 sec 0.9854 0.9849 0.9851 0.9918 0.9885 0.9899
4.5 sec 0.9936 0.9914 0.9924 1 0.9986 0.9992
5 sec 1 0.9978 0.9988 1 1 1
5.5 sec 1 1 1 1 1 1