Table 3.

Multivariate analysis of patient characteristics associated with COPD.

Variable	COPD
	Odds Ratio	95%CI	p-value
Age	1.07	1.03–1.11	0.0004
Smoking, yes	2.56	1.16–5.85	0.022
LRP1B, mutated	2.33	1.04–5.21	0.039