|
CT calibration data |
|||
| Baseline |
Follow-up |
Change from baseline |
|
|
|
|||
| Internal air calibration (n = 68) |
-998.7 ± 0.9 |
-997.5 ± 1.9 |
1.2 ± 5.5 |
| LN300 electron density rod (n = 32) |
-717.5 ± 2.4 |
-716.4 ± 3.2 |
1.1 ± 3.0 |
| LN450 electron density rod (n = 32) |
-552.4 ± 2.6 |
-551.6 ± 2.8 |
0.8 ± 3.4 |
| 'Solid' water electron density rod (n = 32) |
-7.8 ± 3.5 |
-9.7 ± 3.6 |
1.9 ± 2.7 |
|
All values are presented as the mean ± standard deviation in Hounsfield Units (HU). | |||
Parr et al. Respiratory Research 2008 9:21 doi:10.1186/1465-9921-9-21 |
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