Table 3 Logistic regression analysis showing factor associated with walking less than 350 m in 6-min walk test (dependent variable).

From: Associations between serum mitokine levels and outcomes in stable COPD: an observational prospective study

Variable

B

p

OR

95% CI OR

Lower

Upper

Age (years)

0.098

0.007

1.102

1.027

1.184

Sex (female)

− 1.682

0.002

5.374

1.875

15.401

Charlson index

0.284

0.145

1.329

0.906

1.949

mMRC dyspnea score

1.180

< 0.001

3.254

1.748

6.057

FEV1 (%)

− 0.024

0.093

0.976

0.949

1.004

High risk of exacerbation

0.377

0.479

1.458

0.513

4.142

Current smoker

− 0.537

0.327

0.585

0.200

1.709

High humanin levels

1.173

0.019

3.231

1.212

8.613

K

− 8.339

0.001

< 0.001

  
  1. High humanin levels = humanin higher than median. High risk of exacerbation = 2 or more exacerbations during previous year or 1 previous admission. FEV1 = forced expiratory volume in the first second.
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