Table 4.
Comparative result of various methods using the ECG or BCG as the proximal reference, and IPG or PPG as the distal reference for the cuffless blood pressure measurement.
| Reference | PTT Signals (Sensor Placement) | PCC | |
|---|---|---|---|
| [39] | BCG (foot) and BPW (finger) | SBP: 0.70 DBP: 0.66 |
NA |
| [40] | BCG (chair) | SBP: 0.755 DBP: 0.532 |
ME SBP: 0.93 ± 6.24 mmHg DBP: 0.21 ± 5.42 mmHg |
| [41] | BCG (foot) and PPG (foot) | NA | RMSE SBP: 11.8 ± −1.6 mmHg DBP: 7.6 ± −0.5 mmHg, |
| [42] | ECG and IPG (arm) | SBP: 0.700 DBP: 0.450 |
NA |
| [15] | BCG (foot) and PPG (foot) | SBP: 0.775 DBP: 0.532 |
RMSE SBP: 6.7 ± 1.6 mmHg DBP: 4.8 ± 1.47 mmHg |
| [16] | BCG (foot) and IPG (foot) | SBP: 0.754 DBP: 0.533 |
RMSE SBP: 7.3 ± 2.1 mmHg DBP: 4.5 ± 1.8 mmHg |
| Proposed method: Server-based Computing |
BCG (foot) and IPG (foot) | SBP: 0.80 DBP: 0.81 |
ME SBP: 2.64 ± 9.71 mmHg DBP: 1.52 ± 6.32 mmHg |
| Proposed method: Edge Computing |
BCG (foot) and IPG (foot) | SBP: 0.73 DBP: 0.78 |
ME SBP: 2.2 ± 10.9 mmHg DBP: 1.87 ± 6.79 mmHg |