Association between body composition, sarcopenia and pulmonary function in chronic obstructive pulmonary disease

BMC Pulmonary Medicine

Table 2 Association between body composition, sarcopenia and pulmonary function

	FEV₁ (%)			FVC (%)
	β	CI 95%	p	β	CI 95%	p
Body Mass Index, kg/m²	0.670	0.181 to 1.1590	0.007	0.061	− 0.377 to 0.500	0.783
Fat Mass, kg	0.027	− 0.294 to 0.349	0.868	− 0.129	− 0.421 to 0.162	0.383
Fat Free Mass, kg	0.648	0.217 to 1.079	0.003	0.233	− 0.157 to 0.624	0.241
Handgrip strength, kg	0.037	− 0.566 to 0.641	0.902	0.448	− 0.076 to 0.974	0.094
Upper extremity weakness	3.078	− 3.959 to 10.116	0.389	− 3.687	− 10.196 to 2.821	0.265
Middle-upper arm circumference, cm	0.884	0.205 to 1.564	0.011	0.227	− 0.379 to 0.833	0.461
SMMI, kg/m²	2.876	0.534 to 5.218	0.016	0.894	− 1.212 to 3.001	0.403
ASMMI, kg/m²	4.896	1.982 to 7.810	0.001	1.388	− 1.228 to 4.00	0.297
Abdominal obesity	5.902	− 1.059 to 12.864	0.096	− 0.175	− 6.350 to 5.999	0.955
Phase angle, °	5.745	2.596 to 8.895	< 0.001	3.871	1.077 to 6.665	0.007
Sarcopenia	− 6.992	− 13.722 to − 0.261	0.042	− 5.090	− 11.007 to 0.826	0.091
Exercise tolerance, m	0.057	0.024 to 0.090	0.001	0.064	0.036 to 0.093	< 0.001

Linear regression model adjusted by age, sex and height. SMMI Skeletal muscle mass index; ASMMI Appendicular Skeletal muscle mass index

ISSN: 1471-2466