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Table 4 Simple regression analysis: Relationship between distance and quantitative study variables

From: Outcome measures of the 6 minute walk test: relationships with physiologic and computed tomography findings in patients with sarcoidosis

Outcome

Variables

Independen

Variables t

Unstandarized

Coefficient

Standarized

Coefficient

Beta

t-value

p-value

R2

  

B

S. Error

    

DISTANCE

FEV1, L

43.81

9.44

0.52

4.64

< 0.0001

0.271

 

FVC, L

37.58

8.29

0.51

4.53

< 0.0001

0.262

 

TLC, L

25.32

8.26

0.39

3.1

0.003

0.158

 

Final Borg score

-10.56

4.62

-0.35

-2.3

0.028

0.121

 

PaO2 mmHg

2.32

0.79

0.39

2.92

0.005

0.154

 

Lowest SpO2, %

1.85

1.26

0.19

1.47

0.15

0.036

  1. FEV1: Forced expiratory volume in 1 second, FVC: Forced vital capacity;
  2. TLC: Total lung capacity; PaO2: Partial pressure or oxygen; SpO2: oxygen saturation by pulse oximetry.