Table 2.

Univariate and multifactorial analysis of clinical radiological characteristics.

	Univariate			Multifactorial
	OR	CI	P	OR	CI	P
Age	0.93	0.91-0.96	<0.001	0.94	0.91-0.97	<0.001
Sex	0.38	0.21-0.69	<0.001	0.29	0.14-0.59	<0.001
Average diameter	0.94	0.89-0.99	0.02	NA	NA	NA
Boundary1	1.81	1.01-3.23	0.05	NA	NA	NA
Lobulation1	0.31	0.13-0.74	0.01	NA	NA	NA
Vascular abnormal	0.44	0.24-0.78	0.01	NA	NA	NA
Pleural pull	0.33	0.18-0.61	<0.001	NA	NA	NA
Lymph node enlarge	0.34	0.14-0.84	0.02	NA	NA	NA

OR, Odds Ratio; CI, confidence interval.