Table 2:

Predictors of New-Onset Atrial Fibrillation After Non-Cardiac Surgery

Variable	Odds Ratio (95% Confidence Interval)	p-value
Demographics
Age 35–50 vs. Age 18–35	1.62 (0.73–3.58)	0.23
Age 50–65 vs. Age 18–35	2.49 (1.17–5.27)	0.02
Age ≥65 vs. Age 18–35	6.21 (2.94–13.11)	<0.001
Male vs. Female	1.11 (1.04–1.19)	0.002
Black vs. White	0.65 (0.57–0.73)	<0.001
Hispanic vs. White	0.73 (0.63–0.84)	<0.001
Other vs. White	1.01 (0.92–1.12)	0.82
Income Group (centile)
<25th vs. >75th	0.97 (0.87–1.08)	0.58
25th-50th vs. >75th	0.95 (0.87–1.04)	0.28
50th-75th vs. >75th	0.97 (0.89–1.06)	0.50
Comorbidities
Alcohol Abuse	1.25 (1.01–1.54)	0.04
Anemia	1.29 (1.18–1.40)	<0.001
Chronic Kidney Disease	0.98 (0.89–1.08)	0.69
Chronic Pulmonary Disease	1.22 (1.13–1.31)	<0.001
Coronary Artery Disease	1.12 (1.03–1.22)	0.006
Prior Percutaneous Coronary	0.79 (0.72–0.86)	<0.001
Intervention
Prior Coronary Artery Bypass Grafting	0.78 (0.71–0.86)	<0.001
Diabetes Mellitus	0.76 (0.71–0.83)	<0.001
Dyslipidemia	0.87 (0.82–0.93)	<0.001
End-Stage Renal Disease	0.97 (0.83–1.14)	0.71
History of Heart Failure	2.02 (1.86–2.20)	<0.001
History of Venous Thromboembolism	0.89 (0.74–1.08)	0.24
Hypertension	1.0 (0.92–1.08)	0.97
Malignancy	0.96 (0.78–1.17)	0.68
Obesity	1.08 (0.97–1.19)	0.15
Peripheral Arterial Disease	1.15 (1.06–1.24)	<0.001
Tobacco Use	0.87 (0.81–0.94)	<0.001
Valvular Heart Disease	1.77 (1.52–1.85)	<0.001
Surgery Type
General Surgery	Reference
Genitourinary	0.42 (0.36–0.49)	<0.001
Skin/Burn	0.29 (0.22–0.38)	<0.001
Neurosurgery	0.45 (0.38–0.55)	<0.001
Obstetric	0.16 (0.12–0.22)	<0.001
Orthopedic	0.37 (0.34 –0.40)	<0.001
Other Surgeries	0.40 (0.32–0.51)	<0.001
Thoracic	2.08 (1.84–2.35)	<0.001
Vascular	0.63 (0.58–0.70)	<0.001

The C-statistic was 0.85 for this model.