Habitat-based radiomics analysis for evaluating immediate response in colorectal cancer lung metastases treated by radiofrequency ablation

Table 2 Uni- and multivariate analysis of clinical and radiological characteristics

Characteristics	Univariate analysis		Multivariate analysis
Characteristics	OR (95%CI)	P value	OR (95%CI)	P value
Age	1.001(0.998–1.004)	0.628
Gender	1.047(0.975–1.123)	0.285
CEA	1.001(1.001–1.002)	0.005*	1.001(1.0–1.001)	0.131
CA 19–9	1.002(1.001–1.002)	< 0.001*	1.002(1.001–1.002)	< 0.001#
Lymphadenopathy at diagnosis	1.091(1.013–1.175)	0.052
Concomitant systemic treatment	0.895(0.832–0.964)	0.013	0.916(0.853–0.983)	0.042#
Initial tumor location	0.982(0.941–1.026)	0.500
Nodule size	0.956(0.608–1.307)	0.642
Lung metastases location	1.033(1.010–1.015)	0.020*	1.032(1.009–1.005)	0.019#
Distance 1	1.092(0.995–1.198)	0.119
Distance 2	1.006(0.935–1.081)	0.897
Electrode type	0.753(0.652–0.869)	0.001*	0.778(0.675–0.897)	0.004#
Pneumothorax	1.012(0.934–1.096)	0.808
IAH	0.933(0.860–1.013)	0.165

OR odds ratio, 95%CI 95% confidence interval, CEA carcinoembryonic antigen, CA19–9 cancer antigen 19–9, Distance 1 the distance between the lesion and great vessels or mediastinum, Distance 2 the distance between the lesion and pleura or diaphragm, IAH intra-alveolar hemorrhage. The bold p values in the univariate (*) and multivariate analysis (#) mean < 0.05

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