Predictive and Prognostic Factors of Synchronous Colorectal Lung-Limited Metastasis

Table 2

Univariable and multivariable logistic regression model analyses.

Characteristics	Univariable analysis				Multivariable analysis
	OR	95% CI lower	95% CI upper	value	OR	95% CI lower	95% CI upper	value
Gender				0.899
Female		Reference				NA
Male	0.993	0.890	1.108	0.899
Age (years)				0.197
<65		Reference				NA
65-74	0.951	0.831	1.088	0.462
≥75	0.888	0.780	1.010	0.072
Marital status				0.001
Married		Reference				Reference
Unmarried/NOS	1.198	1.074	1.336	0.001	1.112	0.995	1.243	0.062
Insurance				0.142
Yes		Reference				NA
No/unknown	1.191	0.943	1.503	0.142
Race				0.001				0.021
White		Reference				Reference
Black	1.330	1.135	1.558	<0.001	1.256	1.068	1.476	0.006
Other/NOS	1.138	0.952	1.361	0.156	1.004	.838	1.203	0.968
Tumor location				<0.001				<0.001
Right colon		Reference				Reference
Left colon	1.424	1.215	1.669	<0.001	1.430	1.217	1.680	<0.001
Rectum	3.078	2.694	3.518	<0.001	2.633	2.287	3.031	<0.001
NOS	1.586	0.959	2.625	0.073	1.193	0.719	1.980	0.495
Pathological grade				<0.001				<0.001
I/II		Reference				Reference
III/IV	1.124	0.964	1.310	0.135	0.871	0.743	1.023	0.092
Unknown	2.004	1.711	2.347	<0.001	1.900	1.603	2.251	<0.001
Histological type				0.016				<0.001
Adenocarcinomas		Reference				Reference
MCC/SRCC	0.755	0.600	0.950	0.016	0.623	0.492	0.787	<0.001
T stage				<0.001				<0.001
Tis-2		Reference				Reference
T3	2.722	2.338	3.170	<0.001	1.953	1.644	2.319	<0.001
T4	5.066	4.269	6.013	<0.001	3.143	2.579	3.831	<0.001
N stage				<0.001				<0.001
N0		Reference				Reference
N1	3.027	2.671	3.431	<0.001	2.142	1.873	2.450	<0.001
N2	3.925	3.396	4.536	<0.001	2.797	2.388	3.277	<0.001
Tumor size				<0.001				<0.001
≤5 cm		Reference				Reference
5-10 cm	1.755	1.548	1.989	<0.001	1.229	1.079	1.400	0.002
>10 cm	2.385	1.814	3.135	<0.001	1.518	1.144	2.015	0.004
NOS	1.818	1.559	2.120	<0.001	1.784	1.511	2.107	<0.001
CEA				<0.001				<0.001
Normal		Reference				Reference
Elevated	3.762	3.264	4.336	<0.001	2.679	2.317	3.098	<0.001
NOS	1.155	0.991	1.346	0.065	1.194	1.023	1.394	0.025

MCC: mucinous cell carcinoma; SRCC: signet ring cell carcinoma; CEA: carcinoembryonic antigen; NOS: not otherwise specified; NA: unavailable.