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

Table 1 Multivariate analysis for the development of tension pneumothorax

	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
Model2	Size of pneumothorax	1.09	1.06 – 1.11	<0.001

Model1: size of largest bullae and size of pneumothorax were entered on analysis.
Model2: fibrotic adhesion and size of pneumothorax were entered on analysis.

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