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Table 4 Linear and multivariate analysis of the relationship between the plasma levels of KL-6 and clinical parameters

From: Ageing and long-term smoking affects KL-6 levels in the lung, induced sputum and plasma

Variable

 

Regression coefficient

Standard error

P-value

Linear Regression

Age

8.178

0.960

<0.001***

 

BMI

12.879

5.285

0.016*

 

Pack-year

6.765

0.939

<0.001***

 

FEV1/FVC

-8.507

1.684

<0.001**

Multi Regression

Age

6.383

1.262

<0.001***

 

BMI

-3.464

4.999

0.489

 

Pack-year

3.832

1.251

0.002**

 

FEV1/FVC

1.008

2.054

0.624

  1. BMI, body mass index; FEV1, Forced expiratory volume in one second; FVC, Forced vital capacity
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