Mean values, errors, and correlations between pressure-only estimates of wave separation parameters and reference values (n = 753)
| Variables . | Reference (pressure and flow) . | Triangular flow estimation . | Pressure-only estimation of this study . |
|---|---|---|---|
| Pb (mmHg) | 56 (8.2) | 67 (10.4) | 56 (8.3) |
| (Pbexact − Pbest) (%) | — | 21.6 | 5.4 |
| (Pbexact vs. Pbest) | — | 0.94 | 0.94 |
| Pf (mmHg) | 92 (16.6) | 91 (18.8) | 93 (14.3) |
| (Pfexact − Pfest) (%) | — | 7.5 | 4.8 |
| (Pfexact vs. Pfest) | — | 0.91 | 0.96 |
| RI | 0.38 (0.03) | 0.43 (0.04) | 0.38 (0.02) |
| (RIexact − RIest) (%) | — | 25.5 | 5.4 |
| (RIexact vs. RIest) | — | 0.74 | 0.93 |
| TD (ms) | 64 (19) | 63 (28) | 64 (18) |
| TDexact − TDest) (%) | — | 30.5 | 15.9 |
| (TDexact vs. TDest) | — | NC | 0.62 |
| Variables . | Reference (pressure and flow) . | Triangular flow estimation . | Pressure-only estimation of this study . |
|---|---|---|---|
| Pb (mmHg) | 56 (8.2) | 67 (10.4) | 56 (8.3) |
| (Pbexact − Pbest) (%) | — | 21.6 | 5.4 |
| (Pbexact vs. Pbest) | — | 0.94 | 0.94 |
| Pf (mmHg) | 92 (16.6) | 91 (18.8) | 93 (14.3) |
| (Pfexact − Pfest) (%) | — | 7.5 | 4.8 |
| (Pfexact vs. Pfest) | — | 0.91 | 0.96 |
| RI | 0.38 (0.03) | 0.43 (0.04) | 0.38 (0.02) |
| (RIexact − RIest) (%) | — | 25.5 | 5.4 |
| (RIexact vs. RIest) | — | 0.74 | 0.93 |
| TD (ms) | 64 (19) | 63 (28) | 64 (18) |
| TDexact − TDest) (%) | — | 30.5 | 15.9 |
| (TDexact vs. TDest) | — | NC | 0.62 |
NRMSE indicates the normalized root mean square errors by the range of the variable. The values given in the parentheses denote standard deviation. NC indicates not correlated (r < 0.2).
Mean values, errors, and correlations between pressure-only estimates of wave separation parameters and reference values (n = 753)
| Variables . | Reference (pressure and flow) . | Triangular flow estimation . | Pressure-only estimation of this study . |
|---|---|---|---|
| Pb (mmHg) | 56 (8.2) | 67 (10.4) | 56 (8.3) |
| (Pbexact − Pbest) (%) | — | 21.6 | 5.4 |
| (Pbexact vs. Pbest) | — | 0.94 | 0.94 |
| Pf (mmHg) | 92 (16.6) | 91 (18.8) | 93 (14.3) |
| (Pfexact − Pfest) (%) | — | 7.5 | 4.8 |
| (Pfexact vs. Pfest) | — | 0.91 | 0.96 |
| RI | 0.38 (0.03) | 0.43 (0.04) | 0.38 (0.02) |
| (RIexact − RIest) (%) | — | 25.5 | 5.4 |
| (RIexact vs. RIest) | — | 0.74 | 0.93 |
| TD (ms) | 64 (19) | 63 (28) | 64 (18) |
| TDexact − TDest) (%) | — | 30.5 | 15.9 |
| (TDexact vs. TDest) | — | NC | 0.62 |
| Variables . | Reference (pressure and flow) . | Triangular flow estimation . | Pressure-only estimation of this study . |
|---|---|---|---|
| Pb (mmHg) | 56 (8.2) | 67 (10.4) | 56 (8.3) |
| (Pbexact − Pbest) (%) | — | 21.6 | 5.4 |
| (Pbexact vs. Pbest) | — | 0.94 | 0.94 |
| Pf (mmHg) | 92 (16.6) | 91 (18.8) | 93 (14.3) |
| (Pfexact − Pfest) (%) | — | 7.5 | 4.8 |
| (Pfexact vs. Pfest) | — | 0.91 | 0.96 |
| RI | 0.38 (0.03) | 0.43 (0.04) | 0.38 (0.02) |
| (RIexact − RIest) (%) | — | 25.5 | 5.4 |
| (RIexact vs. RIest) | — | 0.74 | 0.93 |
| TD (ms) | 64 (19) | 63 (28) | 64 (18) |
| TDexact − TDest) (%) | — | 30.5 | 15.9 |
| (TDexact vs. TDest) | — | NC | 0.62 |
NRMSE indicates the normalized root mean square errors by the range of the variable. The values given in the parentheses denote standard deviation. NC indicates not correlated (r < 0.2).
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