Table 3:

Univariable logistic regression analysis of pneumothorax risk

	OR	95% CI	P-value
Age	0.99	0.93–1.04	0.67
Comorbid diseases (present)	0.91	0.17–4.81	0.91
PEEP	1.42	0.86–2.36	0.18
Compliance	1.00	0.92–1.08	0.93
Peak pressure	0.90	0.70–1.16	0.41
Horowitz index	0.99	0.98–1.00	0.13

CI: confidence interval; OR: odds ratio; PEEP: positive end-expiratory pressure.