Table 4.
Kruskal-Wallis tests with Nemenyi's post hoc tests of luminal area and total area normalized by Dtrachea pred2 among healthy subjects and nonsevere and severe asthmatic subjects in each ROI
LA* |
TA* |
|||||||
---|---|---|---|---|---|---|---|---|
21 ROI | Healthy subjects | Nonsevere asthmatic subjects | Severe asthmatic subjects | Kruskal-Wallis (P value) | Healthy subjects | Nonsevere asthmatic subjects | Severe asthmatic subjects | Kruskal-Wallis (P value) |
Trachea | 0.789 ± 0.11 | 0.824 ± 0.15 | 0.857 ± 0.16 | 0.052 | 1.340 ± 0.16 | 1.387 ± 0.21 | 1.447 ± 0.25 | <0.05‡ |
RMB | 0.575 ± 0.08 | 0.576 ± 0.10 | 0.579 ± 0.12 | 0.992 | 1.006 ± 0.16 | 1.012 ± 0.20 | 1.009 ± 0.20 | 0.974 |
TriRUL | 0.264 ± 0.06 | 0.279 ± 0.14 | 0.264 ± 0.14 | 0.376 | 0.501 ± 0.11 | 0.522 ± 0.22 | 0.508 ± 0.21 | 0.625 |
BronInt | 0.334 ± 0.05 | 0.341 ± 0.06 | 0.360 ± 0.07 | 0.111 | 0.600 ± 0.08 | 0.604 ± 0.09 | 0.643 ± 0.11 | 0.096 |
RB4 + 5 | 0.128 ± 0.03 | 0.119 ± 0.04 | 0.110 ± 0.04 | <0.05‡ | 0.285 ± 0.06 | 0.272 ± 0.06 | 0.262 ± 0.07 | 0.089 |
RLL7 | 0.209 ± 0.05 | 0.190 ± 0.06 | 0.185 ± 0.06 | <0.05 | 0.412 ± 0.08 | 0.384 ± 0.10 | 0.381 ± 0.10 | <0.05 |
TriRLL | 0.162 ± 0.04 | 0.146 ± 0.04 | 0.137 ± 0.04 | <0.005‡ | 0.337 ± 0.07 | 0.313 ± 0.07 | 0.304 ± 0.07 | <0.05‡ |
RB9 + 10 | 0.132 ± 0.05 | 0.113 ± 0.05 | 0.103 ± 0.04 | <0.001‡ | 0.284 ± 0.07 | 0.255 ± 0.08 | 0.246 ± 0.06 | <0.01‡ |
sRUL | 0.090 ± 0.02 | 0.080 ± 0.02 | 0.083 ± 0.03 | <0.05* | 0.215 ± 0.04 | 0.199 ± 0.04 | 0.208 ± 0.05 | <0.05* |
sRML | 0.067 ± 0.02 | 0.061 ± 0.02 | 0.057 ± 0.02 | <0.001*‡ | 0.175 ± 0.04 | 0.161 ± 0.05 | 0.156 ± 0.04 | <0.01*‡ |
sRLL | 0.084 ± 0.03 | 0.073 ± 0.03 | 0.070 ± 0.03 | <0.01*‡ | 0.202 ± 0.05 | 0.182 ± 0.05 | 0.180 ± 0.05 | <0.01*‡ |
LMB | 0.364 ± 0.07 | 0.362 ± 0.07 | 0.392 ± 0.08 | <0.05 | 0.648 ± 0.11 | 0.658 ± 0.12 | 0.706 ± 0.13 | <0.05‡ |
TriLUL | 0.319 ± 0.15 | 0.269 ± 0.09 | 0.279 ± 0.11 | 0.057 | 0.608 ± 0.25 | 0.523 ± 0.15 | 0.540 ± 0.20 | 0.078 |
LB1 + 2 +3 | 0.181 ± 0.08 | 0.185 ± 0.09 | 0.163 ± 0.06 | 0.382 | 0.369 ± 0.12 | 0.376 ± 0.13 | 0.350 ± 0.10 | 0.574 |
LB1 + 2 | 0.092 ± 0.03 | 0.089 ± 0.04 | 0.102 ± 0.07 | 0.707 | 0.224 ± 0.05 | 0.217 ± 0.06 | 0.245 ± 0.12 | 0.607 |
LB4 + 5 | 0.155 ± 0.07 | 0.127 ± 0.05 | 0.132 ± 0.07 | <0.01‡ | 0.325 ± 0.11 | 0.282 ± 0.09 | 0.294 ± 0.12 | <0.05 |
LLB6 | 0.272 ± 0.06 | 0.271 ± 0.09 | 0.280 ± 0.11 | 0.633 | 0.522 ± 0.10 | 0.518 ± 0.15 | 0.532 ± 0.18 | 0.682 |
TriLLB | 0.195 ± 0.05 | 0.174 ± 0.05 | 0.168 ± 0.05 | <0.01‡ | 0.393 ± 0.08 | 0.358 ± 0.08 | 0.356 ± 0.09 | <0.05‡ |
LB9 + 10 | 0.185 ± 0.08 | 0.147 ± 0.05 | 0.144 ± 0.07 | <0.05* | 0.371 ± 0.12 | 0.314 ± 0.08 | 0.312 ± 0.11 | <0.01* |
sLUL | 0.062 ± 0.01 | 0.056 ± 0.02 | 0.057 ± 0.02 | <0.01*‡ | 0.160 ± 0.03 | 0.148 ± 0.03 | 0.153 ± 0.04 | <0.05* |
sLLL | 0.101 ± 0.03 | 0.089 ± 0.03 | 0.085 ± 0.03 | <0.005*‡ | 0.235 ± 0.04 | 0.215 ± 0.05 | 0.212 ± 0.05 | <0.01‡ |
Values are means ± SD. Dtrachea pred2, predicted values of tracheal diameter;
LA*, normalized luminal area; TA*, normalized total cross-sectional area.
P < 0.05 for healthy subjects vs. nonsevere asthmatic subjects.
P < 0.05 for nonsevere asthmatic subjects vs. severe asthmatic subjects.
P < 0.05 for healthy subjects vs. severe asthmatic subjects.