Table 4.
Correlation Between Duration of Epilepsy, Severity of Epilepsy, and SUDEP-7 Risk with Different Holter Parameters
| Parameters | R | P |
|---|---|---|
| Duration of epilepsy and different Holter parameters | ||
| LF/HF 24 | 0.392 | 0.02 |
| LF/HF day | 0.394 | 0.01 |
| LF/HF night | 0.461 | 0.004 |
| Tri.Index | −0.371 | 0.05 |
| LF (ms2) | −0.448 | 0.005 |
| HF (ms2) | −0.355 | 0.04 |
| SUDEP-7 risk and different Holter parameters | ||
| LF/HF 24 | 0.328 | 0.04 |
| pNN50 (%) | −0.510 | 0.001 |
| rMSSD (ms) | −0.790 | 0.0001 |
| Severity of epilepsy and different Holter parameters | ||
| AV.HR | 0.575 | 0.01 |
| pNN50 (%) | −0.521 | 0.02 |
| rMSSD (ms) | −0.477 | 0.03 |
Abbreviations: AV.HR, average heart rate; LF/HF, the ratio of low-frequency/high-frequency power; rMSSD, root mean square of the difference between successive normal intervals; pNN50, the percentage of the number of pairs of consecutive beat-to-beat intervals that differed by 50 ms; SDNN, the standard deviation of the RR interval; Tri.Index, Triangular index; LF, low frequency; HF, high frequency.