Table 2.
Validation of algorithm for estimation of systolic and diastolic pressures
| Scenario and parameter | Actual value | Algorithm value |
|---|---|---|
|
Normal |
|
|
| Constant a (mmHg-1) |
0.11 |
0.105 |
| Constant b (mmHg-1) |
0.03 |
0.0311 |
| SBP (mmHg) |
120 |
119 |
| DBP (mmHg) |
80 |
80 |
|
Twice normal stiffness |
|
|
| Constant a (mmHg-1) |
0.076 |
0.074 |
| Constant b (mmHg-1) |
0.021 |
0.0214 |
| SBP (mmHg) |
120 |
119 |
| DBP (mmHg) |
80 |
80 |
|
Half normal stiffness |
|
|
| Constant a (mmHg-1) |
0.158 |
0.155 |
| Constant b (mmHg-1) |
0.0432 |
0.043 |
| SBP (mmHg) |
120 |
119 |
| DBP (mmHg) |
80 |
80 |
|
Half normal pulse pressure |
|
|
| Constant a (mmHg-1) |
0.110 |
0.108 |
| Constant b (mmHg-1) |
0.030 |
0.030 |
| SBP (mmHg) |
110 |
110 |
| DBP (mmHg) |
90 |
89 |
|
Twice normal pulse pressure |
|
|
| Constant a (mmHg-1) |
0.11 |
0.105 |
| Constant b (mmHg-1) |
0.03 |
0.030 |
| SBP (mmHg) |
140 |
138 |
| DBP (mmHg) | 60 | 60 |