Table 4. Prediction of occurrence of atrial fibrillation.

	cHRs(95% C.I.)	p-value	aHRs(95% C.I.)	p-value
Gout vs. matched	1.57 (1.47–1.69)	<0.0001	1.38 (1.27–1.48)	<0.0001
Age	1.27 (1.07–1.51)	0.0052	1.24 (1.04–1.48)	0.0195
Comorbidities
Diabetes Mellitus	1.49 (1.30–1.71)	<0.0001	1.15 (0.99–1.33)	0.0694
CKD	2.30 (1.61–3.29)	<0.0001	1.44 (0.98–2.10)	0.0619
HTN	1.79 (1.62–1.99)	<0.0001	1.24 (1.10–1.39)	0.0004
COPD	1.35 (1.11–1.64)	0.0025	0.98 (0.79–1.21)	0.8308
CAD	2.13 (1.89–2.42)	<0.0001	1.52 (1.32–1.75)	<0.0001
History of cardiac or pulmonary surgery	6.00 (1.34–26.79)	0.0190	3.09 (0.65–14.65)	0.1563
Alcoholic intoxication	2.00 (0.60–6.64)	0.2577	1.62 (0.47–5.65)	0.4487
Sleep apnea	1.40 (0.44–4.41)	0.5655	1.01 (0.29–3.53)	0.9906
CHF	3.80 (3.06–4.71)	<0.0001	2.75 (2.19–3.45)	<0.0001
Rheumatoid arthritis	1.52 (0.95–2.43)	0.0813	1.06 (0.64–1.75)	0.8304
SLE	2.99 (0.61–14.82)	0.1791	2.29 (0.40–12.97)	0.3508
Scleroderma	—	—	0.48 (0.03–9.49)	0.6316
Sjögren’s syndrome	—	—	1.17 (0.49–2.78)	0.7251

The statistical analysis was performed with the Cox proportional hazards regression model to indicate significance (at p < 0.05 level).

aHRs: adjusted hazard ratios; cHRs: crude hazard ratios; CI: confidence interval; other abbreviations as in Table 1.