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| SEF coefficient (KPa) | Normotensive RV | PHRV |
|---|---|---|
| C1 | 4.1 ± 0.8 | 25.4 ± 17.6 |
| C2 | 95.3 ± 22.5 | 216.2 ± 24.4 |
| C3 | 0.3 ± 0.3 | 0.3 ± 0.3 |
| C4 | -19.1 ± 6.2 | -2.4 ± 4.1 |
| C5 | 25.3 ± 9.9 | 3.6 ± 1.9 |
