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Fig. 3 | Sleep Science and Practice

Fig. 3

From: Effect of postoperative positive airway pressure on risk of postoperative atrial fibrillation after cardiac surgery in patients with obstructive sleep apnea: a retrospective cohort study

Fig. 3

Forest Plot of Multivariate Cox Regression Model. 1 We treated postoperative positive airway pressure use as a time-dependent variable in the multivariate Cox regression model. The PAP variable for patients who received postoperative PAP was coded as zero until the start of PAP and as one thereafter. 2 10-year increase. 3 Chronic obstructive pulmonary disease. 4 60-min increase

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