Measure | Site | Slope coefficient | R2 | P value |
---|---|---|---|---|
Voxel density vs normal functional lung | All lobes | − 0.86 | 0.33 | < 0.05 |
Upper lobes | − 0.94 | 0.67 | < 0.05 | |
Lower lobes | − 0.78 | 0.19 | < 0.05 | |
Voxel density vs Matched defects | All lobes | 0.96 | 0.36 | < 0.05 |
Upper lobes | 0.98 | 0.58 | < 0.05 | |
Lower lobes | 1.05 | 0.34 | < 0.05 | |
Voxel density vs unmatched defects | All lobes | − 0.10 | 0.01 | 0.33 |
Upper lobes | − 0.04 | 0.01 | 0.68 | |
Lower lobes | − 0.27 | 0.07 | 0.18 | |
Voxel density vs perfusion | All lobes | − 0.25 | 0.13 | < 0.05 |
Upper lobes | − 0.28 | 0.26 | < 0.05 | |
Lower lobes | − 0.28 | 0.17 | < 0.05 | |
Voxel density vs ventilation | All lobes | − 0.13 | 0.04 | 0.10 |
Upper lobes | -0.09 | 0.03 | 0.35 | |
Lower lobes | -0.26 | 0.16 | < 0.05 | |
Perfusion vs ventilation | All lobes | 0.86 | 0.82 | < 0.05 |
Upper lobes | 0.70 | 0.67 | < 0.05 | |
Lower lobes | 0.86 | 0.79 | < 0.05 | |
Perfusion vs normal VQ | All lobes | 1.31 | 0.35 | < 0.05 |
Upper lobes | 1.52 | 0.52 | < 0.05 | |
Lower lobes | 2.15 | 0.66 | < 0.05 | |
Ventilation vs normal VQ | All lobes | 1.94 | 0.51 | < 0.05 |
Upper lobes | 1.13 | 0.20 | < 0.05 | |
Lower lobes | 1.94 | 0.51 | < 0.05 |