Table 4.

Hazard of death associated with obese patients with COPD

Function	Hazard ratioa	Adjusted hazard ratioa	P-value
Obesity	0.86 (0.43–1.7)	0.86 (0.32–2.31)
6-MWT	0.99 (0.98–0.99)	1.0 (0.93–1.07)	0.99
Age	1.05 (1.01–1.09)	0.98 (0.92–1.04)	0.51
6-MWT
Age		1.001 (0.92–1.07)	0.97
Comorbidity	0.42 (0.16–1.07)	0.98 (0.92–1.04)	0.58
6-MWT
Age		1.02 (0.94–1.1)	0.58
Comorbidity

Notes:

^aData are presented as (95% CI) (upper–lower limit). Subjects with BMI >30 kg/m² were defined as obese.

Abbreviations: 6-MWT, 6-minute walk test; COPD, chronic obstructive pulmonary disease.