Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Airway index and actual dimensions of simulated airways in the COPDGene phantom. * denotes tubes that were oriented at 30° with respect to the axis of the phantom.
| Airway | Actual ID (mm) | Actual WT (mm) | Actual WA% | Actual WA (mm2) | Actual OD (mm) |
|---|---|---|---|---|---|
| 1 | 6 | 1.5 | 55.56 | 19.51 | 9 |
| 2 | 3 | 0.6 | 48.98 | 35.34 | 4.2 |
| 3 | 6 | 0.9 | 40.83 | 19.51 | 7.8 |
| 4 | 2.5 | 0.4 | 42.61 | 3.64 | 3.3 |
| 5 | 6 | 1.2 | 48.98 | 27.14 | 8.4 |
| 6 | 2.5 | 0.4 | 42.61 | 3.64 | 3.3 |
| *7 | 3 | 0.6 | 48.98 | 6.79 | 4.2 |
| *8 | 6 | 1.2 | 48.98 | 27.14 | 8.4 |
