Chronic obstructive pulmonary disease and inhaled steroids alter surfactant protein D (SP-D) levels: a cross-sectional study

Table 3 Multivariable analysis among all subjects

Variables Included	Model Coefficient	p value
B₀
Smoking status (former vs. never)	970	< 0.001
(current vs. never)	-356	0.02
	-628	< 0.001
Race (African-American vs. White)	248	0.01
(Asian vs. White)	103	0.71

ISSN: 1465-993X