Table 4:

Results of multivariate analysis for predictors of lymphatic invasion

Variables	Hazard ratio	95% CI	P-valuea
LCSC (vs non-LCSC)	0.208	0.100–0.433	<0.0001
Gender (male)	1.584	1.055–2.378	0.0264
CEA (≥5 ng/ml)	3.033	1.744–5.274	<0.0001
Tumour size (>20 mm)	2.520	1.647–3.855	<0.0001
Visual CTR (≥0.5)	16.414	7.724–34.883	<0.0001

^aP-value in logistic regression analysis.

CI: confidence interval; LCSC: lung cancer with scattered consolidation; CEA: carcinoembryonic antigens; CTR: consolidation tumour ratio.