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Calibration-free BP estimation: Fitting errors (mmHg) at different PI levels
| PI < 0.01 | PI ≥ 0.01 | |
|---|---|---|
| Young | ||
| Measurement (n) | 114 | 625 |
| SBP Error | −2.8 ± 12.9* | 1.1 ± 10.9 |
| DBP Error | −1.6 ± 8.6* | 0.7 ± 8.5 |
| Older | ||
| Measurement (n) | 99 | 1241 |
| SBP Error | −1.6 ± 15.5* | −0.6 ± 14.0 |
| DBP Error | −2.7 ± 9.8* | 0.0 ± 8.9 |
*P < 0.05 versus fitting errors when PI ≥ 0.01.
