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Table 4 Relationship between pulmonary function parameters and the opening of resistance loops in multiple logistic regression with stepwise selection: A/ in mild to moderate COPD, B/ in all COPD

From: Non-linear parameters of specific resistance loops to characterise obstructive airways diseases

Variables

Odds Ratio (95% Confidence limit)

p value

Mild COPD

 RV/TLC, %

1.157 (1.064–1.267)

0.0006

COPD

 RV/TLC, %

1.168 (1.092–1.259)

<0.0001

 FEV1/FVC, %

0.866 (0.746–0.949)

0.0004

  1. In table are shown only significant variables, not excluded by a stepwise selection. The model consisted of lung function parameters: FVC, %pred, FEV1, %pred, FEV1/FVC, %pred, PEF, %pred. TLC, %pred, RV, %pred, FRC, %pred., DL,CO, %pred, KCO, %pred., RV/TLC
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Respiratory Research

ISSN: 1465-993X

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