Table 2 Correlation of Kindlin-1 expression with lung metastasis (n = 438)

Kindlin-1 expression

Low

0.022

1

0.017

1

High

2.330

1.132–4.795

2.412

1.169–4.977

Lymph node status

0–3

0.042

1

0.067

1

> 3

1.878

1.024–3.443

1.784

0.960–3.314

Macroscopic tumor size

≤ 25 mm

0.032

1

0.078

1

>  25 mm

1.872

1.057–3.315

1.688

0.942–3.025

SBR histological grade

I-II

0.161

1

III

1.507

0.849–2.677

Age

≤ 55

0.946

1

>  55

1.021

0.563–1.850