Table 3 Univariate Cox regression

Gender

0.382

0.4896

Male

1

1

Female

1.194

0.803–1.775

1.165

0.757–1.795

Age

0.0294

0.0002

≤ 60

1

1

> 60

1.022

1.002–1.043

1.042

1.020–1.066

Stage

0.0079

0.0002

I-II

1

1

III

1.59

1.129–2.239

2.026

1.404–2.923

Testin expression

<0.0001

<0.0001

Low

1

1

High

0.193

0.130–0.287

0.141

0.090–0.219

Ki-67

0.2764

0.8062

≤ 30

1

1

> 30

1.209

0.859-1.700

1.047

0.725–1.513

pT status

0.0548

0.0042

T1-T2

1

1

T3-T4

1.4

0.993–1.975

1.707

1.183–2.464

pN status

0.0053

0.001

N0

1

1

N1-N3

1.62

1.154–2.272

1.844

1.280–2.658

Pathology

0.3625

0.0559

S

1

1

A-AS Mixed

1.169

0.835–1.636

1.428

0.991–2.058

Differentiation

0.0438

0.0953

Low-medium

1

1

Medium-high

0.707

0.505–0.990

0.734

0.511–1.056

Invasion

<0.0001

0.0055

None

1

1

Yes

2.022

1.421–2.877

1.714

1.171–2.507

Tumor size (cm)

0.2377

0.2328

≤ 5

1

1

>5

1.267

0.855–1.876

1.288

0.850–1.950

Group

0.0082

0.0264

NSCLC only

1

1

PRISm or COPD

1.29

1.068–1.558

1.262

1.028–1.551