Table 3.
Segmental airway features at specific regions
| Variable | Region | Cluster 1 (N = 100) |
Cluster 2 (N = 80) |
Cluster 3 (N = 141) |
Cluster 4 (N = 85) |
P value | Healthy (N = 69) |
|---|---|---|---|---|---|---|---|
| θ | Trachea |
91.1 (12.3) |
93.0 (10.1) |
91.1 (12.8) |
86.5 (11.4) |
< 0.001 |
91.8 (10.9) |
| Cr | sLUL |
0.961 (0.014) |
0.959 (0.015) |
0.956 (0.012) |
0.943 (0.021) |
< 0.0001 |
0.958 (0.013) |
| WT* | sLUL |
0.571 (0.035) |
0.564 (0.034) |
0.546 (0.035) |
0.536 (0.042) |
< 0.0001 |
0.561 (0.036) |
| Dh* | sLUL |
0.273 (0.028) |
0.256 (0.029) |
0.236 (0.024) |
0.230 (0.033) |
< 0.0001 |
0.264 (0.031) |
Cr, WT*, and Dh* were only presented at sLUL, but overall trends between clusters were consistent in different locations