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Table 4 Multivariate Cox proportional-hazard analysis

From: The impact of respiratory reactance in oscillometry on survival in patients with idiopathic pulmonary fibrosis

 

Hazard ratio

95% CI

p-value

X5 In

0.333

0.160–0.693

0.003*

Fres In

1.190

1.033–1.371

0.016*

ALX In

1.182

1.058–1.319

0.003*

  1. Adjusted by age, sex, %FVC, %DLCO, FEV1, BMI, hyperlipidemia, and acute exacerbation history before the first measurement of oscillometry
  2. ALX Low-frequency reactance area, BMI Body mass index, CI Confidence interval, %DLCO Diffusing capacity of the lung for carbon monoxide (% predicted), FEV1 forced expiratory volume in 1 s; Fres, resonant frequency, %FVC Forced vital capacity (% predicted), In Inspiratory phase, X5 Reactance at 5 Hz
  3. *p-value < 0.05
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BMC Pulmonary Medicine

ISSN: 1471-2466

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