TABLE 3

Relationship of body mass index (BMI) with airway adipose tissue and wall thickness

	Control		Nonfatal asthma		Fatal asthma		All asthma
	r-value	p-value	r-value	p-value	r-value	p-value	r-value	p-value
Subjects n	15		21		16		37
*BMI versus* adipose tissue area/Pbm mm**
>6 mm	0.67	0.01	0.57	0.01	0.60	0.01	0.58	<0.001
>12 mm	0.63	0.01	0.50	0.02	0.62	0.01	0.57	<0.001
6–12 mm	0.71	0.003	0.57	0.01	0.67	0.004	0.46	0.004
*BMI versus* airway wall area/Pbm mm**
>6 mm	0.77	<0.001	0.48	0.03	0.06	0.83	0.25	0.13
>12 mm	0.73	0.002	0.48	0.03	−0.02	0.96	0.34	0.04
6–12 mm	0.63	0.01	0.57	0.01	0.26	0.32	0.26	0.13
*Adipose tissue area/Pbm mm versus* airway wall area/Pbm mm**
>6 mm	0.57	0.03	0.54	0.01	0.06	0.84	0.30	0.07
>12 mm	0.58	0.02	0.49	0.02	0.37	0.16	0.33	0.05
6–12 mm	0.53	0.04	0.76	<0.001	0.24	0.37	0.39	0.02

Pbm: basement membrane perimeter.