Table 2.
Whole-lung average measurements obtained from imaging acquisitions
| CT | Gd-MRI | HP Xe129 MRI | ||||||
|---|---|---|---|---|---|---|---|---|
| Perc15 | PBV | PBF | MTT | %Vd | Tissue /Gas |
RBC /Gas |
RBC /Tissue |
|
| H1 | −881 | 6.6 | 77 | 8.9 | 21 | 0.95 | 0.34 | 0.35 |
| H2 | −889* | 11.4 | 135 | 8.4 | 14 | 0.79 | 0.28 | 0.27 |
| H3 | −833* | 8.7 | 118 | 8.3 | 31 | 0.92 | 0.28 | 0.20 |
| H4 | −849 | 5.9 | 68 | 9.6 | 36 | 1.06 | 0.26 | 0.21 |
| C1 | −897 | 8.2 | 119 | 7.3 | 26 | 0.89 | 0.23 | 0.20 |
| C2 | −884 | 6.7 | 69 | 10.1 | 38 | 0.85 | 0.27 | 0.18 |
| C3 | −905 | 7.8 | 80 | 9.1 | 34 | 0.36 | 0.21 | 0.18 |
| C4 | −941 | 3.6 | 30 | 11.9 | 62 | 0.25 | 0.15 | 0.11 |
*
Bold means upper limit for measurements in each group (healthy or COPD group); Bold+underline means lower limit for measurement in each group