Table 3. Root-mean-squared-errors (RMSEs) between estimated and measured central BP [mmHg].
| Central BP Estimates | Low PP Amplification (1.06 ± 0.07) | Middle PP Amplification (1.25 ± 0.07) | High PP Amplification (1.59 ± 0.13) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| TW | SP | PP | TW | SP | PP | TW | SP | PP | |
| Radial BP | 6.6* | 6.1# | 6.1 | 7.8* | 13.9* | 13.9* | 8.1* | 21.6* | 21.6* |
| GTFSphygmoCor | 4.7* | 7.5* | 10.1* | 3.5 | 5.4 | 7.9* | 2.9 | 3.1 | 4.8 |
| GTFARX | 5.2* | 6.2# | 7.1* | 3.2 | 3.5 | 4.6 | 2.9 | 3.5 | 4.3 |
| ATF | 3.5 | 3.3 | 4.2 | 3.5 | 3.3 | 3.4 | 3.1 | 3.7 | 3.7 |
PP amplification is the ratio of radial to central pulse pressure; TW, central total waveform; SP, central systolic pressure; and PP, central pulse pressure. *and # denote statistically different (e.g., p < 0.05) or borderline statistically different (e.g., p ≈ 0.05) compared to ATF, respectively.