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Table 3 Multivariate regression analysis for the relationship between bilirubin and pulmonary lung function

From: Association of serum bilirubin level with lung function decline: a Korean community-based cohort study

Lung function parameters

Bilirubin

Bilirubin category

Quintile 1

Quintile 2

Quintile 3

Quintile 4

Quintile 5

FEV1, L

Estimated mean (SE)

0.12(0.02)

ref

0.03(0.02)

0.06(0.02)

0.07(0.02)

0.11(0.02)

P-value

< 0.001

 

0.154

0.002

< 0.001

< 0.001

FVC, L

Estimated mean (SE)

0.14(0.02)

ref

0.05(0.02)

0.10(0.02)

0.09(0.02)

0.13(0.02)

P-value

< 0.001

 

0.018

< 0.001

< 0.001

< 0.001

FEV1/FVC, %

Estimated mean (SE)

0.51(0.27)

ref

−0.39(0.25)

−0.47(0.25)

0.22(0.25)

0.26(0.25)

P-value

0.059

 

0.113

0.055

0.371

0.307

FEF25–75%, L/s

Estimated mean (SE)

0.15(0.04)

ref

0.01(0.05)

0.03(0.05)

0.11(0.05)

0.20(0.05)

P-value

< 0.001

 

0.857

0.575

0.022

< 0.001

  1. Notes: Data were adjusted for age, sex, body mass index, and smoking status (current smoker, former smoker, and never-smoker)
  2. Abbreviations: SE standard error, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, FEF 25–75% forced expiratory flow between 25 and 75% of vital capacity
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Respiratory Research

ISSN: 1465-993X

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