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Table 4 Multivariate logistic regression analyses for predicting high EFL index

From: Predictors of expiratory flow limitation measured by forced oscillation technique in COPD

Variables

Adjusted odds ratio

95% confidence interval

p value

mMRC scale

0.969

0.412 – 2.282

0.9432

Emphysema score

1.296

1.013 – 1.659

0.0395

FEV1/FVC (%)

1.197

0.980 – 1.461

0.0777

FEF25-75% (% predicted)

0.752

0.590 – 0.960

0.0220

FRC (% predicted)

1.108

1.039 – 1.181

0.0017

R5 (cmH2O/L/s)

3.426

1.470 – 7.983

0.0043

∆R5 (cmH2O/L/s)

0.423

0.134 – 1.342

0.1443

  1. Abbreviations: Δ difference between inspiratory and expiratory phases, R5 respiratory system resistance at 5 Hz, EFL expiratory flow limitation, FEV1 forced expiratory volume in 1 second, FVC forced vital capacity, FEF 25-75% forced expiratory flow between 25% and 75% of FVC, FRC functional residual capacity, mMRC modified Medical Research Council.
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BMC Pulmonary Medicine

ISSN: 1471-2466

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