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Table 1 Multivariate analysis for the development of tension pneumothorax

From: Tension pneumothorax, is it a really life-threatening condition?

   Variable Odds ratio 95% Confidence interval P value
Model1   Size of largest bullae 1.03 1.01 – 1.04 0.001
  Size of pneumothorax 1.07 1.05 – 1.09 <0.001
Model2 Fibrotic adhesion 10.76 4.69 – 24.7 <0.001
Size of pneumothorax 1.09 1.06 – 1.11 <0.001
  1. Model1: size of largest bullae and size of pneumothorax were entered on analysis.
  2. Model2: fibrotic adhesion and size of pneumothorax were entered on analysis.