Table 4. Risks of postoperative complications in patients with new postoperative atrial fibrillation.

		OR or HR	95% CI	P-value
Composite of in-hospital MAEs
	In-hospital death
	In-hospital myocardial infarction	4.08	2.18–7.61	<0.0001
	In-hospital revascularization
	In-hospital stroke	4.1	0.99–16.88	0.051
	Prolonged mechanical ventilation (>72h)	15.17	4.31–53.46	<0.0001
	Acute kidney injury	1.77	0.73–4.28	0.21
One year MACCEs		2.93	1.76–4.87	<0.001
	Death	11.91	1.06–133.32	0.04
	Myocardial infarction	3.56	2.06–6.28	<0.0001
	Revascularization
	Stroke	4.7	1.29–17.15	0.02
Other postoperative outcomes
	Prolonged ICU stay (>72h)	2.35	1.36–4.06	0.002
	In-hospital wound problem	1.6	0.52–4.97	0.41
	Bleeding-related reoperation	2.66	0.76–9.35	0.13
	Time to extubation, hr			0.013
	Length of stay at ICU, hr			<0.001
	CKMBmax			<0.001
	Troponin Imax			0.001
	NT-proBNPmax			0.07

OR indicates odds ratio; HR, hazard ratio; CI, confidence interval; MAEs, major adverse events; MACCEs, major adverse cardiovascular and cerebral events; ICU, intensive care unit;; CKMB_max, postoperative maximum creatine kinase-MB; NT-proBNP_max, postoperative maximum N-terminal pro-brain natriuretic peptide.