Table 4.
Absolute values for Poincaré SD1 (PC SD1) and SD2 (PC SD2), as well as the overnight mean RR-interval (Mean RR) and the total overnight variability of RR-intervals (SDNN) for the data from a clinical (Fontana et al. [9]) and home setting. Data are presented with (filtered) and without (unfiltered) application of the RR-interval filter.
| Parameter | Unfiltered | Filtered | ||||||
|---|---|---|---|---|---|---|---|---|
| Gel Electrode, Clinics | ECG-Belt, Clinics | ECG-Belt, Home | Gel Electrode, Clinics | ECG-Belt, Clinics | ECG-Belt, Home | |||
| PC SD1 | Ave | ms | 797.2 | 819.4 | 1011.3 | 37.0 | 48.7 | 35.9 |
| SD | ms | 566.9 | 565.2 | 1489.8 | 23.5 | 37.4 | 20.6 | |
| PC SD2 | Ave | ms | 812.4 | 845.4 | 1250.8 | 124.7 | 141.7 | 140.3 |
| SD | ms | 556.1 | 550.3 | 1681.9 | 38.1 | 45.1 | 40.5 | |
| Mean RR | Ave | ms | 988.8 | 1028.3 | 979.7 | 977.6 | 987.3 | 944.9 |
| SD | ms | 122.7 | 130.2 | 104.2 | 121.8 | 116.3 | 103.8 | |
| SDNN | Ave | ms | 174.2 | 230.9 | 264.5 | 67.3 | 76.4 | 65.6 |
| SD | ms | 77.5 | 121.5 | 327.9 | 29.2 | 36.6 | 24.7 |