Table 6.
Correlation between subjective obstruction based on a visual analog scale and 4PR parameters
| Before decongestion | After decongestion | |
|---|---|---|
| Flow 150 phase 1 | 0.495 | 0.469 |
| Flow 150 phase 2 | 0.500 | 0.443 |
| Flow 150 phase 3 | −0.495 | −0.505 |
| Flow 150 phase 4 | −0.508 | −0.509 |
| VR, inspiration | −0.391 | −0.332 |
| VR, expiration | −0.318 | −0.450 |
| Log VR, inspiration | −0.543 | −0.529 |
| Log VR, expiration | −0.529 | −0.513 |
| Reff, inspiration | −0.377 | −0.315 |
| Reff, expiration | −0.367 | −0.344 |
| Reff | −0.387 | −0.323 |
| Log Reff, inspiration | −0.549 | −0.535 |
| Log Reff, expiration | −0.530 | −0.521 |
| Log Reff | −0.553 | −0.546 |