Table 3.

Multinomial logistic regression model.

No COPD	Stage	Coefficient	SE	p-value	[95% Confidence interval]
		(base outcome)
I	ABA	−2.98	1.36	0.03	−5.65 to −0.31
	age	0.07	0.02	<0.001	0.03 to 0.12
	CRP	20.25	4.98	0.001	10.48 to 30.01
	Adipsin	5.23	2.23	0.02	0.87 to 9.59
II	ABA	−2.53	0.8	<0.001	−4.11 to −0.96
	age	0.1	0.02	<0.001	0.06 to 0.14
	CRP	20.01	4.98	<0.001	10.25 to 29.77
	Adipsin	5.36	2.21	0.02	1.03 to 9.68
III	ABA	−2.68	1.58	0.09	−5.77 to 0.42
	age	0.07	0.02	0.01	0.02 to 0.12
	CRP	18.97	5.35	<0.001	8.49 to 29.44
	Adipsin	5.13	2.26	0.02	0.71 to 9.56
IV	ABA	−1.3	0.72	0.07	−2.72 to 0.11
	age	0.09	0.02	<0.001	0.05 to 0.14
	CRP	19.95	4.98	<0.001	10.18 to 29.72
	Adipsin	5.14	2.21	0.02	0.81 to 9.46

All the coefficients are compared relatively to no COPD group and dependent on the raw scale of the variable (n = 126).