Table 2.
Sensitivity, specificity, and YI values for given LZ complexity thresholds for mixed-noise-corrupted ECG
| LZ threshold | 0.000 | 0.025 | 0.050 | 0.075 | 0.100 | 0.125 | 0.150 | 0.175 | 0.200 | 0.225 | 0.250 | 0.275 | 0.300 | 0.325 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensitivity | 1.000 | 1.000 | 1.000 | 1.000 | 0.000 | 1.000 | 1.000 | 1.000 | 0.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
| Specificity | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.013 | 0.020 | 0.033 | 0.033 | 0.040 | 0.073 | 0.106 |
| YI | 0.000 | 0.000 | 0.000 | 0.000 | −1.000 | 0.000 | 0.000 | 0.013 | −0.980 | 0.033 | 0.033 | 0.040 | 0.073 | 0.106 |
| LZ threshold | 0.350 | 0.375 | 0.400 | 0.425 | 0.450 | 0.475 | 0.500 | 0.525 | 0.550 | 0.575 | 0.600 | 0.625 | 0.650 | 0.675 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensitivity | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 0.995 | 0.995 |
| Specificity | 0.147 | 0.160 | 0.200 | 0.273 | 0.300 | 0.347 | 0.367 | 0.407 | 0.460 | 0.520 | 0.587 | 0.627 | 0.660 | 0.693 |
| YI | 0.147 | 0.160 | 0.200 | 0.273 | 0.300 | 0.347 | 0.367 | 0.407 | 0.460 | 0.520 | 0.587 | 0.627 | 0.655 | 0.688 |
| LZ threshold | 0.700 | 0.725 | 0.750 | 0.775 | 0.800 | 0.825 | 0.850 | 0.875 | 0.900 | 0.925 | 0.950 | 0.975 | 1.000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensitivity | 0.980 | 0.960 | 0.945 | 0.930 | 0.905 | 0.800 | 0.710 | 0.505 | 0.155 | 0.000 | 0.000 | 0.000 | 0.000 |
| Specificity | 0.760 | 0.827 | 0.873 | 0.907 | 0.927 | 0.987 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
| YI | 0.740 | 0.787 | 0.818 | 0.837 | 0.832 | 0.787 | 0.710 | 0.505 | 0.155 | 0.000 | 0.000 | 0.000 | 0.000 |
Bold values indicate the highest YI index achieved