Table 7.

Kruskal-Wallis tests with Nemenyi's post hoc tests of normalized hydraulic diameter among healthy subjects and nonsevere and severe asthmatic subjects in each ROI

21 ROIs	Healthy Subjects	Nonsevere Asthmatic Subjects	Severe Asthmatic Subjects	Kruskal-Wallis Tests (P Value)
Trachea	0.986 ± 0.07	1.004 ± 0.10	1.022 ± 0.10	0.117
RMB	0.828 ± 0.06	0.825 ± 0.08	0.820 ± 0.09	0.780
TriRUL	0.542 ± 0.06	0.538 ± 0.09	0.529 ± 0.11	0.503
BronInt	0.622 ± 0.05	0.629 ± 0.06	0.645 ± 0.06	0.106
RB4 + 5	0.390 ± 0.05	0.376 ± 0.06	0.358 ± 0.07	<0.05‡
RLL7	0.495 ± 0.05	0.472 ± 0.06	0.462 ± 0.08	<0.05
TriRLL	0.436 ± 0.05	0.413 ± 0.06	0.397 ± 0.06	<0.01‡
RB9 + 10	0.389 ± 0.06	0.358 ± 0.07	0.345 ± 0.07	<0.001‡
sRUL	0.321 ± 0.03	0.300 ± 0.04	0.303 ± 0.05	<0.01*‡
sRML	0.280 ± 0.04	0.261 ± 0.05	0.251 ± 0.05	<0.001*‡
sRLL	0.303 ± 0.04	0.281 ± 0.05	0.274 ± 0.05	<0.005*‡
LMB	0.661 ± 0.06	0.658 ± 0.06	0.684 ± 0.07	<0.05
TriLUL	0.570 ± 0.09	0.549 ± 0.06	0.557 ± 0.08	0.422
LB1 + 2 +3	0.447 ± 0.06	0.444 ± 0.08	0.434 ± 0.07	0.554
LB1 + 2	0.325 ± 0.05	0.319 ± 0.06	0.325 ± 0.08	0.897
LB4 + 5	0.412 ± 0.07	0.381 ± 0.06	0.380 ± 0.09	<0.01‡
LLB6	0.555 ± 0.06	0.548 ± 0.07	0.550 ± 0.09	0.574
TriLLB	0.485 ± 0.06	0.456 ± 0.06	0.446 ± 0.08	<0.005*‡
LB9 + 10	0.447 ± 0.08	0.406 ± 0.06	0.398 ± 0.09	<0.01*‡
sLUL	0.262 ± 0.03	0.246 ± 0.03	0.248 ± 0.04	<0.01*‡
sLLL	0.338 ± 0.04	0.316 ± 0.05	0.307 ± 0.05	<0.001*‡

Values are means ±SD.

^*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.