Skip to main content

Table 3 Linear regression for the association among hemoglobin, exercise capacity and the degree of dyspnoea

From: Anemia and hemoglobin serum levels are associated with exercise capacity and quality of life in chronic obstructive pulmonary disease

 

6MWD test (m)

VO2max(l/min)

MRC dyspnoea scale

 

β

SE

p-value

β

SE

p-value

β

SE

p-value

Age

−3.911

1.202

0.002

−0.013

0.004

0.001

0.012

0.015

0.416

Sex

−38.840

24.957

0.123

−0.467

0.080

<0.001

0.589

0.304

0.056

BMI

−8.791

2.545

0.001

0.019

0.008

0.021

0.070

0.031

0.026

Smoking habits (pack/years)

4.452

22.221

0.842

0.046

0.071

0.517

−0.056

0.271

0.837

CCI

−3.988

7.412

0.592

−0.012

0.024

0.607

0.151

0.090

0.099

CRP (mg/L)

0.859

0.862

0.322

0.001

0.003

0.667

−0.010

0.011

0.365

FEV1%pred

1.731

0.558

0.003

0.004

0.002

0.019

−0.021

0.007

0.002

Hb (g/dL)

24.108

8.693

0.007

0.080

0.028

0.005

−0.104

0.106

0.328

  1. CCI: Charlson Comorbidity Index; CRP: C-reactive Protein; 6MWD: six minutes walking distance; VO2max: maximal oxygen consumption; MRC: Medical Research Council; β: beta-coefficent.
Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us