Table 2 Univariate logistic analysis of clinical and pathological factors for locoregional invasiveness

Clinical factors

 Male vs. Female

0.416 (0.150–1.155)

0.092

 Body weight

1.008 (0.963–1.054)

0.741

 Age

0.972 (0.914–1.034)

0.366

 Clinical Size

1.061 (0.992–1.136)

0.085

 Subsolid type vs. Solid type

2.683 (0.868–8.295)

0.087

 3D-IRA

0.956 (0.930–0.983)

0.002

 Corrected 3D-IRA

0.721 (0.595–0.873)

<0.001

Pathological factors

 Others as compared to adenocarcinoma

1.078 (0.261–4.456)

0.918

 Pathological size

1.139 (1.038–1.251)

0.006

 Differentiation grade

2.521 (1.177–5.398)

0.017