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Table 2 Univariate and multivariate Cox regression analysis based on all variables for cancer-specific survival (Training Cohort)

From: A prognostic model for elderly patients with squamous non-small cell lung cancer: a population-based study

Characteristics

Univariate analysis

Multivariate analysis

HR (95% CI)

P value

HR (95% CI)

P value

Age

    

 60–69

Reference

 

Reference

 

 70–79

1.074 (1.028–1.122)

0.001

1.075 (1.029–1.124)

0.001

 ≥ 80

1.511 (1.437–1.588)

< 0.001

1.185 (1.124–1.249)

< 0.001

Sex

    

 Male

Reference

 

Reference

 

 Female

0.871 (0.838–0.905)

< 0.001

0.862 (0.828–0.898)

< 0.001

Race

    

 White

Reference

 

Reference

 

 Black

1.115 (1.049–1.184)

< 0.001

0.884 (0.831–0.940)

< 0.001

 Asian or Pacific Islander

1.152 (1.048–1.265)

0.003

0.880 (0.800–0.968)

0.008

 American Indian/Alaska Native

1.110 (0.876–1.407)

0.388

1.039 (0.819–1.317)

0.754

Marital

    

 Married

Reference

 

Reference

 

 Unmarried

1.146 (1.103–1.190)

< 0.001

1.042 (1.000–1.085)

0.049

 Unknown

0.996 (0.901–1.102)

0.944

0.945 (0.853–1.046)

0.273

Site

    

 Main bronchus

Reference

 

Reference

 

 Upper lobe, lung

0.476 (0.438–0.517)

< 0.001

0.717 (0.660–0.779)

< 0.001

 Middle lobe, lung

0.480 (0.424–0.544)

< 0.001

0.768 (0.677–0.871)

< 0.001

 Lower lobe, lung

0.484 (0.445–0.528)

< 0.001

0.737 (0.676–0.804)

< 0.001

 Overlapping lesion of lung

0.552 (0.453–0.672)

< 0.001

0.866 (0.710–1.055)

0.152

 Lung, NOS

1.019 (0.914–1.135)

0.735

0.797 (0.712–0.892)

< 0.001

Laterality

    

 One side

Reference

 

Reference

 

 Bilateral

2.393 (2.006–2.855)

< 0.001

0.890 (0.738–1.074)

0.224

Grade

    

 I

Reference

 

Reference

 

 II

0.895 (0.801–0.999)

0.048

0.962 (0.861–1.074)

0.492

 III

1.104 (0.990–1.232)

0.075

1.013 (0.908–1.130)

0.814

 IV

1.288 (1.036–1.600)

0.023

1.112 (0.894–1.382)

0.340

AJCC stage

    

 I

Reference

 

Reference

 

 II

2.257 (2.099–2.426)

< 0.001

2.544 (2.363–2.738)

< 0.001

 III

4.080 (3.839–4.336)

< 0.001

3.689 (3.447–3.948)

< 0.001

 IV

8.800 (8.294–9.337)

< 0.001

6.245 (5.830–6.691)

< 0.001

Surgery

    

 Yes

Reference

 

Reference

 

 No

5.003 (4.759–5.259)

< 0.001

3.643 (3.421–3.879)

< 0.001

Radiation

    

 Yes

Reference

 

Reference

 

 No

0.798 (0.768–0.828)

< 0.001

1.483 (1.421–1.548)

< 0.001

Chemotherapy

    

 Yes

Reference

 

Reference

 

 No

0.871 (0.839–0.905)

< 0.001

1.812 (1.736–1.892)

< 0.001

Insurance

    

 Yes

Reference

 

Reference

 

 No

1.228 (1.162–1.297)

< 0.001

1.033 (0.977–1.094)

0.255

  1. AJCC The American Joint Committee for Cancer