Table 2.

Spearman correlation coefficient between %LAA and AWT-Pi10 and markers of body composition.

	Men		Women
	%LAA	AWT-Pi10	%LAA	AWT-Pi10
Subjects without COPD
BMI	0.03	0.41†	−0.10	0.32†
FFMI	−0.02	0.23†	−0.05	0.25†
FMI	0.03	0.42†	−0.10	0.27†
Subjects with COPD
BMI	−0.40†	0.33†	−0.34†	0.34†
FFMI	−0.43†	0.29†	−0.39†	0.37†
FMI	−0.34†	0.31†	−0.30†	0.32†

BMI: body mass index, FFMI: fat-free mass index, FMI: fat mass index, AWT-Pi10: standardized airway wall thickness at an internal perimeter of 10 mm, %LAA: percentage low attenuation areas less than −950 HU. Significant correlation: *P < .05, ^† P < .01.