Table 2: Multivariate analysis for factors associated with ABI. (a) Adjusted for age, FEV1, and BMI; (b) Adjusted for age, existence of COPD, and BMI.

(a)

OR 95% CI p
Age 0.995 0.991-0.999 0.029
FEV1 1.002 0.999-1.003 0.089
BMI 1.00 0.987-1.010 0.83

(b)

OR 95% CI p
Age 0.995 0.991-0.999 0.049
Existence of COPD 0.904 0.824-0.993 0.038
BMI 1.00 0.986-1.009 0.65

Abbreviations: BMI, body mass index; FEV1, Forced expiratory volume in 1 second