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Table 4 Hazard ratio (HR) for survival

From: Predictors of long time survival after lung cancer surgery: A retrospective cohort study

 

Univariate analysis

Multivariate analysis

 

HR

95% CI

p

HR

95% CI

p

Sex

     

0.945

Female

1

  

1

  

Male

1,28

0.82, 2.0

0.28

1.02

0.59, 1.75

 

Age

     

0.001

< 70 years

1

  

1

  

≥ 70 years

2.04

1.35, 3.09

0.001

2.23

1.41, 3.54

 

Preoperative stage

     

0.003

IA (T1 N0 M0)

1

  

1

  

IB (T2 N0 M0)

2.00

1.27, 3.17

0.003

1.63

0.92, 2.89

 

II-IV

4.59

2.34, 9.02

<0.001

4.16

1.92, 9.05

 

Operation type

      

Lobectomy

1

  

1

 

0.57

Pneumectomy

2.14

1.34, 3.43

0.002

1.37

0.78, 2.43

 

Bilobectomy

0.94

0.48, 1.85

0.85

0.84

0.40, 1.76

 

Wedge

0.70

0.17, 2.88

0.62

0.70

0.16, 3.15

 

Histology

     

0.32

Adenocarcinoma

1

  

1

  

Squamous cell carcinoma

1.51

0.96, 2.37

0.08

0.86

0.48, 1.54

 

Large cell carcinoma

2.60

1.36, 4.98

0.004

1.79

0.80, 3.99

 

Other non-small cell carcinoma

0.63

0.19, 2.04

0.44

0.80

0.24, 2.67

 

Coronary heart disease

     

0.73

No previous coronary disease

1

  

1

  

Previous coronary disease

1.27

0.81, 1.99

0.31

0.91

0.54, 1.54

 

Pulmonary function

     

0.013

FEV1 ≥ 80%

1

  

1

  

FEV1<80%

2.30

1.45, 3.65

<0.001

1.93

1.14, 3.28

 
  1. HR = Hazard Ratio. Statistical analysis: Cox Regression analysis method = enter.
  2. p value: univariate: Wald, multivariate: Likelihood ratio.