Figure 6.
Artifact scores of the 4D CT images (average of peak-exhale and peak-inhale) vs percentages of lung voxels with negative values in the ventilation images for nine patients, indicating a significant correlation (R = 0.56, p = 0.02).
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.