Solid component proportion is an important predictor of tumor invasiveness in clinical stage T1N0M0 (cT1N0M0) lung adenocarcinoma

Table 4 Multivariate analysis for invasiveness of lung adenocarcinoma

Variable	Odds Ratio	95% CI	P
Size (X₁)	2.79	1.48 ~ 5.27	0.002
Contour (X₂)	1.11	0.68 ~ 1.82	0.67
Necrosis (X₃)	0.81	0.09 ~ 7.19	0.85
Vacuole sign or cyst/cavity (X₄)	1.72	0.96 ~ 3.09	0.07
GGOc proportion (X₅)	0.17	0.028 ~ 1.002	0.05
Sc proportion (X₆)	40.24	5.35 ~ 302.73	< 0.001

Note. CI, confidence interval; GGOc, glass-ground-opacity component; Sc, solid component