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Table 5 Multivariable logistic regression model for predictors of pneumothorax in all patients studied

From: The role of clinical characteristics and pulmonary function testing in predicting risk of pneumothorax by CT-guided percutaneous core needle biopsy of the lung

Multivariable Predictors*

All patients (PTX = 50, without PTX = 293)

VIF

Odds Ratio

95% CI

P value

Location of lesion

1.026

2.150

1.124–4.113

0.021

Presence of emphysema

1.151

5.217

2.286–11.901

8.700 × 10–5

Dwell time (s)

1.021

1.001

0.999–1.003

0.217

FEV1/FVC ratio (%)

2.133

0.995

0.938–1.056

0.865

FEF50%

2.574

0.984

0.995–1.015

0.307

FEF75%

2.168

1.012

0.987–1.037

0.349

FEF25–75%

1.875

1.000

0.965–1.036

0.994

  1. Significant difference (P<0.05) are shown in bold
  2. VIF variance inflation factor
  3. *Logistic regression model only included significant covariates from univariate analysis
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BMC Pulmonary Medicine

ISSN: 1471-2466

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