Table 10.
Mean error for typical HRV measures calculated after applying median and threshold filters, and the proposed algorithms for various peak sizes (PhysioNet database).
| Signal | Method | RMSSD | SDNN | SDSD | Total Power |
LF | HF | SD1 | SD2 |
|---|---|---|---|---|---|---|---|---|---|
| Peak 2x | Median w = 3 | 5.38% | 0.17% | 5.67% | 1.64% | 3.32% | 4.80% | 5.67% | 0.16% |
| Thr m = 3 | 0.12% | 0.01% | 0.12% | 2.61% | 6.14% | 6.50% | 0.12% | 0.01% | |
| Algorithm 1 | 2.17% | 0.37% | 2.33% | 2.06% | 2.39% | 3.17% | 2.40% | 0.39% | |
| Peak 3x | Median w = 3 | 5.38% | 0.17% | 5.67% | 2.78% | 5.77% | 8.47% | 5.67% | 0.16% |
| Thr m = 3 | 0.12% | 0.01% | 0.12% | 2.61% | 6.14% | 6.50% | 0.12% | 0.01% | |
| Algorithm 1 | 2.31% | 0.39% | 2.46% | 1.92% | 3.41% | 4.12% | 2.49% | 0.41% |