Table 4.

Result of multivariate logistic regression analysis.

Factors	B	S.E	Wals	p	OR	95%CI
Smoking history	1.294	0.430	9.042	0.003	3.649	1.569–8.483
CA199	1.625	0.473	11.799	0.001	5.077	2.009–12.829
CYFRA21-1	−1.522	0.432	12.417	<0.001	0.218	0.094–0.509
Density	1.602	0.547	8.595	0.003	4.964	1.701–14.488
Constant	−0.958	0.438	4.789	—	—	–